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| for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com power detectors - s m t 11 11 - 1 HMC1030LP5E dual rms power detector dc - 3.9 ghz v 01.0 411 features functional diagram typical applications ? c rest factor (peak-to-average power r atio) measurement ? e nvelope-to-average power r atio measurement ? dual channel and channel difference output ports ? e xcellent c hannel matching and c hannel isolation ? r f s ignal w ave s hape & c rest factor independent ? s upports c ontroller mode ? 1 db detection accuracy to 3.9 ghz ? input dynamic r ange -55 dbm to +15 dbm ? +5v o peration from -40 c to +85 c ? e xcellent t emperature s tability ? integrated t emperature s ensor ? power-down mode ? 32 lead 5x5mm s m t package: 25mm2 ? log -> root - mean - square (rms) c onversion ? transmitter power control ? receiver automatic gain control ? antenna vswr monitor ? received signal strength indication (rssi) ? transmitter signal strength indication (tssi) ? dual channel wireless infrastructure radio -0.31 0 0.31 0.62 0.93 1.24 1.55 1.86 2.17 -80 -60 -40 -20 0 20 40 60 80 0 200 400 600 800 1000 rf input etout rmsout vet, rms (v) rf input (mv) time (ns) rms & envelope response to wcdma 4 carrier with -20dbm rf input @ 0.9 ghz
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com p ower d etectors - s m t 11 11 - 2 general description electrical specifcations i, t a = +25c, vcca = vccb = vccbs = 5v, sci3 = sci1 = 0v, sci2= 5v, unless otherwise noted t he hm c 1030lp5 e is a dual-channel r m s power detector designed for high accuracy r f power signal measure - ment and control applications over the 0.1 to 3.9 ghz frequency range. the device can be used with input signals hav - ing r m s values from -60 dbm to +10 dbm referenced to 50 o hm and large crest factors with no accuracy degradation. e ach r m s detection channel is fully specifed for operation up to 3.9 ghz, over a wide dynamic range of 70 db. t he hm c 1030lp5 e operates from a single +5v supply and provides two linear-in-db detection outputs at the r m s a and r m s b pins with scaled slopes of 37 mv/db. t he r m s a and r m s b channel outputs provide r m s detection perfor - mance in terms of dynamic range, logarithmic linearity and temperature stability similar to hittites hm c 1021lp4 e r m s detector. t he r m s a and r m s b outputs provide a read of average input signal power, or true- r m s power. frequency detection up to 3.9 ghz is possible, with excellent channel matching of less than 1 db, over a wide range of input frequencies and with low temperature drift. t he hm c 1030lp5 e also provides channel difference output ports via pins o u t p and o u t n, permitting measure - ments of the input signal power ratio between the two power detection channels. t hese outputs may be used in single-ended or differential confgurations. an input voltage applied to the vlvl input pin is used to set the common mode voltage reference level for o u t p and o u t n. o n the hittite evaluation board, the vlvl pin is shorted to v re f2 output to provide a nominal bias voltage of 2.5v; but any external bias voltage may be used to set vlvl. t he hm c 1030lp5 e features et a and et b pins which provide an accurate voltage output which is linearly propor - tional to the envelope amplitude of the r f input signal for modulation bandwidths up to 150 mhz. t he high bandwidth envelope detection of the hm c 1030lp5 e makes it ideal for detecting broadband and high crest factor r f signals commonly used in c dma2000, wc dma, and l te systems. additionally, the instantaneous envelope output can be used to create fast, excessive r f power protection, pa linearization, and efficiency enhancing envelope tracking pa implementations. t he hm c 1030lp5 e includes a buffered p t a t temperature sensor output with a temperature scaling factor of 2 mv/ c yielding a typical output voltage of 567 mv at 0 c . t he hm c 1030lp5 e operates over the -40 to +85 c temperature range, and is available in a compact, 32-lead 5x5 mm leadless qfn package. parameter t yp. t yp. t yp. t yp. t yp. t yp. t yp. units dynamic range ( 1 db measurement error) [1] input signal frequency 100 900 1900 2200 2700 3500 3900 mhz r m s a o utput 73 73 71 69 57 48 42 db r m s b o utput 74 74 72 70 67 50 44 db et a o utput 19 20 20 19 19 19 db et b o utput 19 20 19 19 19 19 db channel isolations input signal frequency 100 900 1900 2200 2700 3500 3900 mhz input a to r m s b isolation (pin b = -45 dbm, r m s b = r m s b inb 1 db) > 55 > 55 52 49 49 db input b to r m s a isolation (pin a = -45 dbm, r m s a = r m s a ina 1 db) > 55 > 55 50 46 45 db input a to r m s b isolation (pin b = -40 dbm, r m s b = r m s b inb 1 db) 44 39 db input b to r m s a isolation (pin a = -40 dbm, r m s a = r m sa ina 1 db) 47 41 db deviation vs temperature: ( o ver full temperature range -40 c to 85 c ). deviation is measured from reference, which is the same wc dma input at 25 c 1 db channel mismatch <1 db HMC1030LP5E v 01.0 411 dual rms power detector dc - 3.9 ghz [1] w ith wc dma 4 c arrier ( t m1-64 dp c h) for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com power detectors - s m t 11 11 - 3 parameter t yp. t yp. t yp. t yp. t yp. t yp. t yp. units input signal frequency 100 900 1900 2200 2700 3500 3900 mhz modulation deviation (output deviation from reference, which is measured with cw input at equivalent input signal power) wc dma 4 c arrier ( t m1-64 dp c h) at +25 c 0.1 0.1 0.1 0.1 0.1 0.1 0.1 db wc dma 4 c arrier ( t m1-64 dp c h) at +85 c 0.2 0.2 0.2 0.2 0.2 0.2 0.2 db wc dma 4 c arrier ( t m1-64 dp c h) at -40 c 0.2 0.2 0.2 0.2 0.2 0.2 0.2 db rmsa logarithmic slope and intercept [1] logarithmic s lope 35.5 38.5 37. 3 38.2 40.3 45.8 49.9 mv/db logarithmic intercept -66.4 -65.8 -63.4 -62 -58.9 -53 -49.5 dbm max. input power at 1 db e rror 10 10 10 10 1 -3 -5 dbm min. input power at 1 db e rror -62 -62 -60 -58 -56 -51 -47 dbm rmsb logarithmic slope and intercept [1] logarithmic s lope 34.7 34.9 36.2 37 38.8 43.6 47. 2 mv/db logarithmic intercept - 67. 5 -67 -65 -63.5 -60.7 -55.2 -51.7 dbm max. input power at 1 db e rror 10 10 10 10 9 -3 -5 dbm min. input power at 1 db e rror -64 -64 -62 -61 -58 -53 -49 dbm eta linear slope and intercept linear s lope 14.3 12.3 11.8 10.5 9.1 8.4 v/v linear intercept -65.5 -75.8 -79 -88.2 -102.6 -111.3 2 mv max. input power at 1 db e rror -12 -10 -9 -9 -8 -8 dbm min. input power at 1 db e rror -31 -30 -29 -28 -27 -27 dbm etb linear slope and intercept linear s lope 14.5 12.6 12.2 11.1 9.7 8.9 v/v linear intercept - 64.1 -73.7 -76.1 -82.9 - 95.1 -103.7 mv max. input power at 1 db e rror -12 -10 -10 -9 -8 -8 dbm min. input power at 1 db e rror -31 -30 -29 -28 -27 -27 dbm HMC1030LP5E v 01.0 411 dual rms power detector dc - 3.9 ghz electrical specifcations ii, t a = +25 c, vcca = vccb = vccbs = 5v, sci3= sci1 = 0v, sci2 = 5v, unless otherwise noted [1] w ith wc dma 4 c arrier ( t m1-64 dp c h) for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com p ower d etectors - s m t 11 11 - 4 rmsa error vs. pin with different modulations @ 1900 mhz [1] rmsa vs. pin with different modulations @ 1900 mhz [1] rmsb error vs. pin with different modulations @ 1900 mhz [1] rmsb vs. pin with different modulations @ 1900 mhz [1] -4 -3 -2 -1 0 1 2 3 4 -70 -60 -50 -40 -30 -20 -10 0 10 cw wcdma 4 carrier wcdma 1 carrier cdma2000 ltedw error (db) input power (dbm) -4 -3 -2 -1 0 1 2 3 4 -70 -60 -50 -40 -30 -20 -10 0 10 cw wcdma 4 carrier wcdma 1 carrier cdma2000 ltedw error (db) input power (dbm) parameter c onditions min. t yp. max. units single-ended input confguration input network r eturn loss up to 4 ghz > 15 db input r esistance between inp a and inn a between pins 2 and 3 110 o hm input r esistance between inp b and inn b between pins 6 and 7 110 ohm input voltage r ange v diffina = v inpa - v inna and v diffinb = v inpb -v innb 2.25 v rms [a,b] output o utput voltage r ange 0.1 to 3 v o pen-loop o utput voltage r ange r m s -v set disconnected for control applications 0.4 to vcc-1 v s ource/ s ink c urrent c ompliance measured with 0.9ghz input r f signal at -25 dbm power 8/1.98 ma o utput s lew r ate (rise/fall) s ci3= s ci2= s ci1=0v, c ofs=1nf 33 / 1.5 10 6 v/sec electrical specifcations iii , t a = +25 c, vcca = vccb = vccbs = 5v, sci3 = sci1 = 0v, sci2 = 5v, unless otherwise noted HMC1030LP5E v 01.0 411 dual rms power detector dc - 3.9 ghz 0 0.5 1 1.5 2 2.5 3 -70 -60 -50 -40 -30 -20 -10 0 10 ideal cw wcdma4 carrier wcdma1 carrier cdma2000 ltedw rmsa (v) input power (dbm) 0 0.5 1 1.5 2 2.5 3 -70 -60 -50 -40 -30 -20 -10 0 10 ideal cw wcdma 4 carrier wcdma 1 carrier cdma2000 ltedw rmsb (v) input power (dbm) [1] sc a1= sc a3= sc b1= sc b3=0v, sc a2= sc b2=5v for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com power detectors - s m t 11 11 - 5 parameter c onditions min. t yp. max. units et [a, b] outputs modulation bandwidth 100 mhz o utput voltage r ange 1 to 2.1 v s ource/ s ink c urrent c ompliance measured with 0.9 ghz input r f signal at -18 dbm power 8 / 2.95 ma o utput s lew r ate (rise/fall) 83.3 / 250 10 6 v/sec v set [a,b] outputs input voltage r ange [1] for control applications with nominal slope/intercept settings 0.13 to 2.7 v input r esistance 1 k o hm outp and outn outputs o utput voltage r ange r l =1k o hm, c l =4.7pf [1] 1 to 3.9 v o pen-loop o utput voltage r ange o u t p-fbka and o u t n-fbkb disconnected for control applications 0.1 to vcc-0.9 v s ource/ s ink c urrent c ompliance measured with 0.9 ghz input r f signal at -30 dbm power 8 / 2.2 ma v lvl , common mode reference level for out[p,n] voltage r ange o ut [p,n]=fbk[a,b] 0 5 v input r esistance 6 k o hm v ref2 , voltage reference output o utput voltage 2.43 v t emperature s ensitivity 0.15 mv/ c s ource/ s ink c urrent c ompliance 5.5 / 2.6 ma temp, temperature sensor output o utput voltage measured at 0 c 0.6 v t emperature s ensitivity 2.2 mv/ c s ource/ s ink c urrent c ompliance 1.7 / 0.5 ma sci1-3 inputs, enx logic input, power down control input high voltage 0.7xv cc v input low voltage 0.3xv cc v input c apacitance 0.5 pf power supply s upply voltage 4.5 5 5.5 v s upply c urrent with no input power 120.6 ma nominal at -40 c ; 159.5 ma nominal at 85 c 143 ma s upply c urrent with 0 dbm at one channel 128 ma nominal at -40 c ; 168.2 ma nominal at 85 c 151.7 ma s upply c urrent with 0 dbm at both channels 160 ma s tandby mode s upply c urrent 13 ma [1] for nominal slope/intercept setting, please see application section to change this range electrical specifcations iii (continued) , t a = +25 c, vcca = vccb = vccbs = 5v, sci3 = sci1 = 0v, sci2 = 5v, unless otherwise noted HMC1030LP5E v 01.0 411 dual rms power detector dc - 3.9 ghz for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com p ower d etectors - s m t 11 11 - 6 rmsa & error vs. pin @ 900 mhz [1] rmsb & error vs. pin @ 900 mhz [1] rmsa & error vs. pin @ 1900 mhz [1] rmsb & error vs. pin @ 1900 mhz [1] rmsa & error vs. pin @ 100 mhz [1] rmsb & error vs. pin @ 100 mhz [1] 0 0.4 0.8 1.2 1.6 2 2.4 2.8 3.2 -4 -3 -2 -1 0 1 2 3 4 -70 -60 -50 -40 -30 -20 -10 0 10 err +25c err +85c err -40c ideal rmsa +25c rmsa +85c rmsa -40c rmsa (v) error (db) input power (dbm) 0 0.4 0.8 1.2 1.6 2 2.4 2.8 3.2 -4 -3 -2 -1 0 1 2 3 4 -70 -60 -50 -40 -30 -20 -10 0 10 err +25c err +85c err -40c ideal logout +25c logout +85c logout -40c rmsa (v) error (db) input power (dbm) 0 0.4 0.8 1.2 1.6 2 2.4 2.8 3.2 -4 -3 -2 -1 0 1 2 3 4 -70 -60 -50 -40 -30 -20 -10 0 10 err +25c err +85c err -40c ideal logout +25c logout +85c logout -40c rmsa (v) error (db) input power (dbm) 0 0.4 0.8 1.2 1.6 2 2.4 2.8 3.2 -4 -3 -2 -1 0 1 2 3 4 -70 -60 -50 -40 -30 -20 -10 0 10 err +25c err +85c err -40c ideal logout +25c logout +85c logout -40c rmsb (v) error (db) input power (dbm) 0 0.4 0.8 1.2 1.6 2 2.4 2.8 3.2 -4 -3 -2 -1 0 1 2 3 4 -70 -60 -50 -40 -30 -20 -10 0 10 err +25c err +85c err - 40c ideal logout +25c logout +85c logout -40c rmsb (v) error (db) input power (dbm) 0 0.4 0.8 1.2 1.6 2 2.4 2.8 3.2 -4 -3 -2 -1 0 1 2 3 4 -70 -60 -50 -40 -30 -20 -10 0 10 err +25c err +85c err -40c ideal logout +25c logout +85c logout -40c rmsb (v) error (db) input power (dbm) HMC1030LP5E v 01.0 411 dual rms power detector dc - 3.9 ghz [1] wc dma input w aveform for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com power detectors - s m t 11 11 - 7 rmsa & error vs. pin @ 2700 mhz [1] rmsa & error vs. pin @ 3500 mhz [1] rmsb & error vs. pin @ 2700 mhz [1] rmsb & error vs. pin @ 3500 mhz [1] rmsa & error vs. pin @ 2200 mhz [1] rmsb & error vs. pin @ 2200 mhz [1] [1] wc dma input w aveform 0 0.4 0.8 1.2 1.6 2 2.4 2.8 3.2 -4 -3 -2 -1 0 1 2 3 4 -70 -60 -50 -40 -30 -20 -10 0 10 err +25c err +85c err -40c ideal logout +25c logout +85c logout -40c rmsa (v) error (db) input power (dbm) 0 0.4 0.8 1.2 1.6 2 2.4 2.8 3.2 -4 -3 -2 -1 0 1 2 3 4 -70 -60 -50 -40 -30 -20 -10 0 10 err +25c err +85c err -40c ideal logout +25c logout +85c logout -40c rmsa (v) error (db) input power (dbm) 0 0.4 0.8 1.2 1.6 2 2.4 2.8 3.2 -4 -3 -2 -1 0 1 2 3 4 -70 -60 -50 -40 -30 -20 -10 0 10 err +25c err +85c err -40c ideal logout +25c logout +85c logout -40c rmsa (v) error (db) input power (dbm) 0 0.4 0.8 1.2 1.6 2 2.4 2.8 3.2 -4 -3 -2 -1 0 1 2 3 4 -70 -60 -50 -40 -30 -20 -10 0 10 err +25c err +85c err -40c ideal logout +25c logout +85c logout -40c rmsb (v) error (db) input power (dbm) 0 0.4 0.8 1.2 1.6 2 2.4 2.8 3.2 -4 -3 -2 -1 0 1 2 3 4 -70 -60 -50 -40 -30 -20 -10 0 10 err +25c err +85c err -40c ideal logout +25c logout +85c logout -40c rmsb (v) error (db) input power (dbm) 0 0.4 0.8 1.2 1.6 2 2.4 2.8 3.2 -4 -3 -2 -1 0 1 2 3 4 -70 -60 -50 -40 -30 -20 -10 0 10 err +25c err +85c err -40c ideal logout +25c logout +85c logout -40c rmsb (v) error (db) input power (dbm) HMC1030LP5E v 01.0 411 dual rms power detector dc - 3.9 ghz for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com p ower d etectors - s m t 11 11 - 8 [1] wc dma input w aveform [2] inpa power s wept, inpb fixed power @ -25 dbm rmsa & error vs. pin @ 3900 mhz [1] rmsb & error vs. pin @ 3900 mhz [1] out [p,n] & error vs. pin @ 100 mhz [1] [2] out [p,n] & error vs. pin @ 900 mhz [1] [2] out [p,n] & error vs. pin @ 1900 mhz [1][2] out [p,n] & error vs. pin @ 2200 mhz [1][2] 0 0.4 0.8 1.2 1.6 2 2.4 2.8 3.2 -4 -3 -2 -1 0 1 2 3 4 -70 -60 -50 -40 -30 -20 -10 0 10 err +25c err +85c err -40c ideal logout +25c logout +85c logout -40c rmsa (v) error (db) input power (dbm) 0 1 2 3 4 -4 -2 0 2 4 -70 -60 -50 -40 -30 -20 -10 0 10 outp err +25c outp err +85c outp err -40c outn err +25c outn err +85c outn err -40c out[p,n] (v) error (db) input power (dbm) outp outn 0 0.4 0.8 1.2 1.6 2 2.4 2.8 3.2 -4 -3 -2 -1 0 1 2 3 4 -70 -60 -50 -40 -30 -20 -10 0 10 err +25c err +85c err -40c ideal logout +25c logout +85c logout -40c rmsb (v) error (db) input power (dbm) 0 1 2 3 4 -4 -2 0 2 4 -70 -60 -50 -40 -30 -20 -10 0 10 outp err +25c outp err +85c outp err -40c outn err +25c outn err +85c outn err -40c out[p,n] (v) error (db) input power (dbm) outp outn 0 1 2 3 4 -4 -2 0 2 4 -70 -60 -50 -40 -30 -20 -10 0 10 outp err +25c outp err +85c outp err -40c outn err +25c outn err +85c outn err -40c out[p,n] (v) error (db) input power (dbm) outp outn 0 1 2 3 4 -4 -2 0 2 4 -70 -60 -50 -40 -30 -20 -10 0 10 outp err +25c outp err +85c outp err -40c outn err +25c outn err +85c outn err -40c out[p,n] (v) error (db) input power (dbm) outp outn HMC1030LP5E v 01.0 411 dual rms power detector dc - 3.9 ghz for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com power detectors - s m t 11 11 - 9 rmsa intercept vs. frequency [1] rmsa slope vs. frequency [1] rmsb intercept vs. frequency [1] out [p,n] & error vs. pin @ 2700 mhz [1][2] out [p,n] & error vs. pin @ 3900 mhz [1][2] out [p,n] & error vs. pin @ 3500 mhz [1][2] [1] wc dma input w aveform [2] inpa power s wept, inpb fixed power @ -25 dbm 0 1 2 3 4 -4 -2 0 2 4 -70 -60 -50 -40 -30 -20 -10 0 10 outp err +25c outp err +85c outp err -40c outn err +25c outn err +85c outn err -40c out[p,n] (v) error (db) input power (dbm) outp outn 0 1 2 3 4 -4 -2 0 2 4 -70 -60 -50 -40 -30 -20 -10 0 10 outp err +25c outp err +85c outp err -40c outn err +25c outn err +85c outn err -40c out[p,n] (v) error (db) input power (dbm) outp outn -80 -75 -70 -65 -60 -55 -50 -45 -40 0 1000 2000 3000 4000 +25c +85c -40c frequency (mhz) intercept (dbm) 30 35 40 45 50 55 60 0 1000 2000 3000 4000 +25c +85c -40c frequency (mhz) slope (mv/db) 0 1 2 3 4 -4 -2 0 2 4 -70 -60 -50 -40 -30 -20 -10 0 10 outp err +25c outp err +85c outp err -40c outn err +25c outn err +85c outn err -40c out[p,n] (v) error (db) input power (dbm) outp outn HMC1030LP5E v 01.0 411 dual rms power detector dc - 3.9 ghz -80 -75 -70 -65 -60 -55 -50 -45 -40 0 1000 2000 3000 4000 +25c +85c -40c frequency (mhz) intercept (dbm) for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com p ower d etectors - s m t 11 11 - 10 rmsb slope vs. frequency [1] 30 35 40 45 50 55 60 0 1000 2000 3000 4000 +25c +85c -40c frequency (mhz) slope (mv/db) [1] wc dma input w aveform [2] sc a1= sc a3= sc b1= sc b3=0v, sc a2= sc b2=5v 0 0.5 1 1.5 2 2.5 3 -70 -60 -50 -40 -30 -20 -10 0 10 100mhz 900mhz 1900mhz 2200mhz 2700mhz 3500mhz 3900mhz input power (dbm) rmsa (v) 0 0.5 1 1.5 2 2.5 3 -70 -60 -50 -40 -30 -20 -10 0 10 100mhz 900mhz 1900mhz 2200mhz 2700mhz 3500mhz 3900mhz input power (dbm) rmsb (v) -4 -3 -2 -1 0 1 2 3 4 -70 -60 -50 -40 -30 -20 -10 0 10 100mhz 900mhz 1900mhz 2200mhz 2700mhz 3500mhz 3900mhz input power (dbm) error (db) -4 -3 -2 -1 0 1 2 3 4 -70 -60 -50 -40 -30 -20 -10 0 10 100mhz 900mhz 1900mhz 2200mhz 2700mhz 3500mhz 3900mhz input power (dbm) error (db) -4 -3 -2 -1 0 1 2 3 4 -70 -60 -50 -40 -30 -20 -10 0 10 100mhz 900mhz 1900mhz 2200mhz 2700mhz 3500mhz 3900mhz input power (dbm) error (db) rmsa vs. pin with wcdma 4 carrier @ +25 c [1] [2] rmsb vs. pin with wcdma 4 carrier @ +25 c [1] [2] rmsa error vs. pin with wcdma 4 carrier @ +25 c [1] [2] rmsb error vs. pin with wcdma 4 carrier @ +25 c [1] [2] rmsa error vs. pin with wcdma 4 carrier @ +85 c wrt +25 c response [1] [2] HMC1030LP5E v 01.0 411 dual rms power detector dc - 3.9 ghz for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com power detectors - s m t 11 11 - 11 rmsb error vs. pin with wcdma 4 carrier @ +85 c wrt +25 c response [1] [2] [1] wc dma input w aveform [2] sc a1= sc a3= sc b1= sc b3=0v, sc a2= sc b2=5v -4 -3 -2 -1 0 1 2 3 4 -70 -60 -50 -40 -30 -20 -10 0 10 100mhz 900mhz 1900mhz 2200mhz 2700mhz 3500mhz 3900mhz input power (dbm) error (db) rmsa vs. pin with cw @ +25 c [1] [2] rmsb vs. pin with cw @ +25 c [1] [2] rmsa error vs. pin with cw @ +25 c [1] [2] HMC1030LP5E v 01.0 411 dual rms power detector dc - 3.9 ghz rmsa error vs. pin with wcdma 4 carrier @ -40 c wrt +25 c response [1] [2] rmsb error vs. pin with wcdma 4 carrier @ -40 c wrt +25 c response [1] [2] -4 -3 -2 -1 0 1 2 3 4 -70 -60 -50 -40 -30 -20 -10 0 10 100mhz 900mhz 1900mhz 2200mhz 2700mhz 3500mhz 3900mhz input power (dbm) error (db) -4 -3 -2 -1 0 1 2 3 4 -70 -60 -50 -40 -30 -20 -10 0 10 100mhz 900mhz 1900mhz 2200mhz 2700mhz 3500mhz 3900mhz input power (dbm) error (db) -4 -3 -2 -1 0 1 2 3 4 -70 -60 -50 -40 -30 -20 -10 0 10 100mhz 900mhz 1900mhz 2200mhz 2700mhz 3500mhz 3900mhz input power (dbm) error (db) 0 0.5 1 1.5 2 2.5 3 -70 -60 -50 -40 -30 -20 -10 0 10 100mhz 900mhz 1900mhz 2200mhz 2700mhz 3500mhz 3900mhz input power (dbm) rmsa (v) 0 0.5 1 1.5 2 2.5 3 -70 -60 -50 -40 -30 -20 -10 0 10 100mhz 900mhz 1900mhz 2200mhz 2700mhz 3500mhz 3900mhz input power (dbm) rmsb (v) for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com p ower d etectors - s m t 11 11 - 12 rmsb error vs. pin with cw @ +25 c [1] [2] -4 -3 -2 -1 0 1 2 3 4 -70 -60 -50 -40 -30 -20 -10 0 10 100mhz 900mhz 1900mhz 2200mhz 2700mhz 3500mhz 3900mhz input power (dbm) error (db) [1] wc dma input w aveform [2] sc a1= sc a3= sc b1= sc b3=0v, sc a2= sc b2=5v 0 0.5 1 1.5 2 2.5 3 -70 -60 -50 -40 -30 -20 -10 0 10 cw wcdma input power (dbm) rmsa (v) 0 0.5 1 1.5 2 2.5 3 -70 -60 -50 -40 -30 -20 -10 0 10 cw wcdma input power (dbm) rmsb (v) -1 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1 -70 -60 -50 -40 -30 -20 -10 0 10 100mhz 900mhz 1900mhz 2200mhz 2700mhz 3500mhz 3900mhz input power (dbm) error (db) -1 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1 -70 -60 -50 -40 -30 -20 -10 0 10 100mhz 900mhz 1900mhz 2200mhz 2700mhz 3500mhz 3900mhz input power (dbm) error (db) 0 0.5 1 1.5 2 2.5 3 -70 -60 -50 -40 -30 -20 -10 0 10 cw wcdma input power (dbm) rmsa (v) rmsa reading error for wcdma wrt cw response @ +25 c [1] [2] rmsb reading error for wcdma wrt cw response @ +25 c [1] [2] rmsa vs. pin w/ cw & wcdma 4 carrier @ 1900mhz & +85 c [1] [2] HMC1030LP5E v 01.0 411 dual rms power detector dc - 3.9 ghz rmsa vs. pin w/ cw & wcdma 4 carrier @ 1900 mhz & +25 c [1] [2] rmsb vs. pin w/ cw & wcdma 4 carrier @ 1900 mhz & +25 c [1] [2] for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com power detectors - s m t 11 11 - 13 rmsb vs. pin w/ cw & wcdma 4 carrier @ 1900 mhz & +85 c [1] [2] 0 0.5 1 1.5 2 2.5 3 -70 -60 -50 -40 -30 -20 -10 0 10 cw wcdma input power (dbm) rmsb(v) [1] wc dma input w aveform [2] sc a1= sc a3= sc b1= sc b3=0v, sc a2= sc b2=5v -1 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1 -70 -60 -50 -40 -30 -20 -10 0 10 100mhz 900mhz 1900mhz 2200mhz 2700mhz 3500mhz 3900mhz input power (dbm) error (db) 0 0.5 1 1.5 2 2.5 3 -70 -60 -50 -40 -30 -20 -10 0 10 cw wcdma input power (dbm) rmsa (v) 0 0.5 1 1.5 2 2.5 3 -70 -60 -50 -40 -30 -20 -10 0 10 cw wcdma input power (dbm) rmsb (v) -1 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1 -70 -60 -50 -40 -30 -20 -10 0 10 100mhz 900mhz 1900mhz 2200mhz 2700mhz 3500mhz 3900mhz input power (dbm) error (db) rmsa vs. pin w/ cw & wcdma 4 carrier @ 1900 mhz & -40 c [1] [2] rmsb vs. pin w/ cw & wcdma 4 carrier @ 1900 mhz & -40 c [1] [2] rmsa reading error for wcdma wrt cw response @ -40 c [1] [2] HMC1030LP5E v 01.0 411 dual rms power detector dc - 3.9 ghz rmsa reading error for wcdma wrt cw response @ +85 c [1] [2] rmsb reading error for wcdma wrt cw response @ +85 c [1] [2] -1 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1 -70 -60 -50 -40 -30 -20 -10 0 10 100mhz 900mhz 1900mhz 2200mhz 2700mhz 3500mhz 3900mhz input power (dbm) error (db) for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com p ower d etectors - s m t 11 11 - 14 rmsb reading error for wcdma wrt cw response @ -40 c [1] [2] -1 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1 -70 -60 -50 -40 -30 -20 -10 0 10 100mhz 900mhz 1900mhz 2200mhz 2700mhz 3500mhz 3900mhz input power (dbm) error (db) [1] wc dma input w aveform [2] sc a1= sc a3= sc b1= sc b3=0v, sc a2= sc b2=5v [3] cw input w aveform, r m s a r eferenced HMC1030LP5E v 01.0 411 dual rms power detector dc - 3.9 ghz rmsa-rmsb, channel matching vs. pin over temperature @ 100 mhz [2] [3] rmsa-rmsb, channel matching vs. pin over temperature @ 900 mhz [2] [3] rmsa-rmsb, channel matching vs. pin over temperature @ 1900 mhz [2] [3] rmsa-rmsb, channel matching vs. pin over temperature @ 2700 mhz [2] [3] rmsa-rmsb, channel matching vs. pin over temperature @ 2200 mhz [2] [3] -60 -40 -20 0 20 40 60 -50 -40 -30 -20 -10 0 10 +25c +85c -40c input power (dbm) rmsa-rmsb (mv) -60 -40 -20 0 20 40 60 -50 -40 -30 -20 -10 0 10 +25c +85c -40c input power (dbm) rmsa-rmsb (mv) -60 -40 -20 0 20 40 60 -50 -40 -30 -20 -10 0 10 +25c +85c -40c input power (dbm) rmsa-rmsb (mv) -60 -40 -20 0 20 40 60 -50 -40 -30 -20 -10 0 10 +25c +85c -40c input power (dbm) rmsa-rmsb (mv) -60 -40 -20 0 20 40 60 -50 -40 -30 -20 -10 0 10 +25c +85c -40c input power (dbm) rmsa-rmsb (mv) for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com power detectors - s m t 11 11 - 15 HMC1030LP5E v 01.0 411 dual rms power detector dc - 3.9 ghz rmsa-rmsb, channel matching vs. pin over temperature @ 3900 mhz [1] [2] rmsa-rmsb, channel matching vs. pin over temperature @ 3500 mhz [1] [2] -120 -80 -40 0 40 80 120 -50 -40 -30 -20 -10 0 10 +25c +85c -40c input power (dbm) rmsa-rmsb (mv) -120 -80 -40 0 40 80 120 -50 -40 -30 -20 -10 0 10 +25c +85c -40c input power (dbm) rmsa-rmsb (mv) [1] cw input w aveform [2] r m s a referenced interference to an input signal (inb power fixed) with interfering signal on the other channel (ina power swept) [1] interference to an input signal (ina power fixed) with interfering signal on the other channel (inb power swept) [1] -1 0 1 2 3 4 5 6 -30 -25 -20 -15 -10 -5 0 5 10 0.1 ghz 0.9 ghz 1.9 ghz 2.2 ghz 2.7 ghz 3.5 ghz 3.9 ghz input power (dbm) error (db) channel b fixed at -45dbm for f<3 ghz -40dbm for f>3 ghz -1 0 1 2 3 4 5 6 -30 -25 -20 -15 -10 -5 0 5 10 0.1 ghz 0.9 ghz 1.9 ghz 2.2 ghz 2.7 ghz 3.5 ghz 3.9 ghz input power (dbm) error (db) channel a fixed at -45dbm for f<3 ghz -40dbm for f>3 ghz rms [a, b] output response with sci = 111 @ 1900 mhz rms [a, b] output response with sci = 000 @ 1900 mhz 0 0.5 1 1.5 2 2.5 3 -5 0 5 10 15 20 25 012345678910 -20 dbm 0 dbm rmsout (v) rf enable voltage (v) time (us) msout rf enable rf on rf off rf off 0 0.5 1 1.5 2 2.5 3 -5 0 5 10 15 20 25 0 5 10 15 20 25 30 35 -20 dbm 0 dbm rmsout (v) rf enable voltage (v) time (ms) msout rf enable rf on rf off rf off for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com p ower d etectors - s m t 11 11 - 16 HMC1030LP5E v 01.0 411 dual rms power detector dc - 3.9 ghz [1] cw input w aveform typical supply current vs. pin, vcc=5v [1] 100 110 120 130 140 150 160 170 180 -70 -60 -50 -40 -30 -20 -10 0 10 +25c +85c -40c input power (dbm) supply current (ma) input return loss vs. frequency -40 -35 -30 -25 -20 -15 -10 -5 0 0123456 frequency (ghz) return loss (db) output ripple & rise/fall time vs. integration setting[sci4,sci3,sci2,sci1] in decimal 0 300 600 900 1200 1500 1800 0.1 1 10 100 1000 10000 100000 01234567 ripple with wcdma1 ripple with wcdma4 ripple with 8 tone (1khz seperation) ripple with 8 tone (10khz seperation) output ripple peak-peak (mv) rise time & fall time (us) integration setting (in decimal) for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com power detectors - s m t 11 11 - 17 etb & etb error vs. pin with cw @ 900 mhz eta vs. pin with cw @ 1900 mhz etb vs. pin with cw @ 1900 mhz 0.5 1 1.5 2 2.5 0 0.05 0.1 0.15 0.2 +25c +85c -40c input voltage (vp-p) etb (v) 0.5 1 1.5 2 2.5 0 0.05 0.1 0.15 0.2 +25c +85c -40c input voltage (vp-p) eta (v) 0.001 0.01 0.1 1 10 -4 -2 0 2 4 -40 -35 -30 -25 -20 -15 -10 -5 error +25c error +85c error -40c +25c +85c -40c normalized etb (v) error (db) input power (dbm) HMC1030LP5E v 01.0 411 dual rms power detector dc - 3.9 ghz etb vs. pin with cw @ 900 mhz 0.5 1 1.5 2 2.5 0 0.05 0.1 0.15 0.2 +25c +85c -40c input voltage (vp-p) etb (v) eta & eta error vs. pin with cw @ 900 mhz 0.001 0.01 0.1 1 10 -4 -2 0 2 4 -40 -35 -30 -25 -20 -15 -10 -5 error +25c error +85c error -40c +25c +85c -40c normalized eta (v) error (db) input power (dbm) eta vs. pin with cw @ 900 mhz 0.5 1 1.5 2 2.5 0 0.05 0.1 0.15 0.2 +25c +85c -40c input voltage (vp-p) eta (v) for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com p ower d etectors - s m t 11 11 - 18 eta & eta error vs. pin with cw @ 1900 mhz 0.001 0.01 0.1 1 10 -4 -2 0 2 4 -40 -35 -30 -25 -20 -15 -10 -5 error +25c error +85c error -40c +25c +85c -40c normalized eta (v) error (db) input power (dbm) HMC1030LP5E v 01.0 411 dual rms power detector dc - 3.9 ghz etb & etb error vs. pin with cw @ 1900 mhz 0.001 0.01 0.1 1 10 -4 -2 0 2 4 -40 -35 -30 -25 -20 -15 -10 -5 error +25c error +85c error -40c +25c +85c -40c normalized etb (v) error (db) input power (dbm) eta vs. pin with cw @ 3500 mhz 0.5 1 1.5 2 2.5 0 0.05 0.1 0.15 0.2 +25c +85c -40c input voltage (vp-p) eta (v) etb vs. pin with cw @ 3500 mhz 0.5 1 1.5 2 2.5 0 0.05 0.1 0.15 0.2 +25c +85c -40c input voltage (vp-p) etb (v) etb & etb error vs. pin with cw @ 3500 mhz 0.001 0.01 0.1 1 10 -4 -2 0 2 4 -40 -35 -30 -25 -20 -15 -10 -5 error +25c error +85c error -40c +25c +85c -40c normalized etb (v) error (db) input power (dbm) eta & eta error vs. pin with cw @ 3500 mhz 0.001 0.01 0.1 1 10 -4 -2 0 2 4 -40 -35 -30 -25 -20 -15 -10 -5 error +25c error +85c error -40c +25c +85c -40c normalized eta (v) error (db) input power (dbm) for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com power detectors - s m t 11 11 - 19 HMC1030LP5E v 01.0 411 dual rms power detector dc - 3.9 ghz etb intercept vs. frequency with cw -120 -110 -100 -90 -80 -70 -60 -50 0 1000 2000 3000 4000 +25c +85c -40c frequency (mhz) intercept (mv) eta slope vs. frequency with cw 6 8 10 12 14 16 18 0 1000 2000 3000 4000 +25c +85c -40c frequency (mhz) slope (v/v) etb slope vs. frequency with cw 6 8 10 12 14 16 18 0 1000 2000 3000 4000 +25c +85c -40c frequency (mhz) slope (v/v) eta intercept vs. frequency with cw -120 -110 -100 -90 -80 -70 -60 -50 0 1000 2000 3000 4000 +25c +85c -40c frequency (mhz) intercept (mv) eta output response @ 1900 mhz 0 0.5 1 1.5 2 2.5 3 -5 0 5 10 15 20 25 0 20 40 60 80 100 120 140 -10 dbm -20 dbm eta (v) rf enable voltage (v) time (ns) eta rf enable rf on rf off rf off etb output response @ 1900 mhz 0 0.5 1 1.5 2 2.5 3 -5 0 5 10 15 20 25 0 20 40 60 80 100 120 140 -10 dbm -20 dbm etb (v) rf enable voltage (v) time (ns) etb rf enable rf on rf off rf off for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com p ower d etectors - s m t 11 11 - 20 outline drawing part number package body material lead finish m s l r ating package marking [2] hm c 1030lp5 e r oh s -compliant low s tress injection molded plastic 100% matte s n m s l1 [1] h1030 xxxx [1] max peak refow temperature of 260 c [2] 4-digit lot number xxxx package information absolute maximum ratings e l ectrost a t ic se n s i t iv e de vi ce o b ser v e handling p rec au t io n s s upply voltage 5.6v s ingle- e nded r f input power 10 dbm input voltage v cc + 0.6v c hannel / junction t emperature 125 c c ontinuous pdiss ( t = 85 c) (derate 55.29 m w / c above 85 c) 2.21 w atts t hermal r esistance ( r th ) (junction to ground paddle) 18.09 c/ w s torage t emperature -65 to +150 c o perating t emperature -40 to +85 c es d s ensitivity (hbm) c lass 1b HMC1030LP5E v 01.0 411 dual rms power detector dc - 3.9 ghz for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com power detectors - s m t 11 11 - 21 pin descriptions pin number function description interface s chematic 1, 8, 9, 10, 31,32 sc a1, sc b1, sc b2, sc b3, sc a3, sc a2 digital input pins that control the internal integration time constant for mean square calculation. sc a(b)3 is the most signifcant bit. set v>0.2xvcc to disable. shortest integration time is for sc a(b)=000, longest integration time is for sc a(b)=111. e ach step changes the integration time by 1 octave. 2, 3 6, 7 inna, inpa inpb, innb r f input pins. 4, 25 e nx, en o u t disable pin. c onnect to gnd for normal operation. applying voltage v > 0.8 vcc will initiate power saving mode. 5, 11, 30 v cc b s , v cc b, v cc a bias s upply. c onnect supply voltage to these pins with appropriate fltering. HMC1030LP5E v 01.0 411 dual rms power detector dc - 3.9 ghz for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com p ower d etectors - s m t 11 11 - 22 pin descriptions (continued) pin number function description interface s chematic 12, 13, 28, 29 co pb, co nb, co na, co pa input high pass flter capacitor. c onnect a capacitor between co pa( co na) and co pb( co nb) to determine 3 db point of input signal high-pass flter. 14, 27 et b, et a linear output that provides an indication of envelope of the input signal. 15 v re f2 2.5v r eference voltage output. 16 vlvl r eference level input for o u t p and o u t n. c onnect to v re f for normal operation. 17, 24 v set b, v set a v set inputs. s et point inputs for controller mode. 18, 23 r m s b, r m sa logarithmic outputs that convert the input power to a d c level for channel a and channel b. HMC1030LP5E v 01.0 411 dual rms power detector dc - 3.9 ghz for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com power detectors - s m t 11 11 - 23 pin descriptions (continued) pin number function description interface s chematic 19 fbkb feedback through 3.5k o hm to the negative terminal of the integrated o p amp driving ou t n 20 o ut n o utput providing the difference of r m s outputs using an o p amp. for normal operation, connected to fbkb to provide the function: o u t n = r m s b - r m s a + vlvl 21 o u tp o utput providing the difference of r m s outputs using an o p amp. for normal operation, connected to fbka to provide the function: o u t p = r m s a - r m s b + vlvl 22 fbka feedback through 3.5k o hms to the negative terminal of the integrated o p amp driving ou t p 26 te mp t emperature sensor output. s ee application note section. gnd package bottom has an exposed metal paddle that must be connected to r f/d c ground. HMC1030LP5E v 01.0 411 dual rms power detector dc - 3.9 ghz for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com p ower d etectors - s m t 11 11 - 24 evaluation pcb - wideband single-ended t he circuit board used in the fnal application should use rf circuit design techniques. signal lines should have 50 o hm impedance while the package ground leads and exposed paddle should be connected directly to the ground plane similar to that shown. a sufficient number of via holes should be used to con - nect the top and bottom ground planes. t he evalua - tion circuit board shown is available from hittite upon request. list of materials for evaluation pcb eval01-HMC1030LP5E [1] item description j1, j4, j8, j12, j13, j14, j15, j18 s ma c onnector j19, t p2, t p3, t p5, t p6, t p7, t p9, t p10, t p11, t p16, t p17 d c pin c 1, c 2, c 5, c 6, c 9, c 15, c 16, c 21 1 nf c apacitor, 0402 pkg. c 12, c 13, c 14, c 17, c 18, c 19 10 pf c apacitor, 0402 pkg. c 7, c 10, c 11, c 20, c 22, c 23 100 pf c apacitor, 0402 pkg. c8 100 nf c apacitor, 0402 pkg. r 2, r 8 49.9 o hm r esistor, 0402 pkg. r 1, r 3, r 5, r 7, r 9, r 11 68.1 o hm r esistor, 0402 pkg. r 18, r 30 560 o hm r esistor, 0402 pkg. r 22, r 23, r 27, r 28, r 31 1k o hm r esistor, 0402 pkg. r 6, r 12-14, r 35-39 10k o hm r esistor, 0402 pkg. r 15, r 17, r 32, r 34 39k o hm r esistor, 0402 pkg. r 24, r 21, r 24, r 29 100k o hm r esistor, 0402 pkg. r 4, r 10, r 16, r 20, r 25-26, r 33 0 o hm r esistor, 0402 pkg. [1] r eference this number when ordering complete evaluation p c b [2] c ircuit board material: r ogers 4350 or arlon 25f r item description u1 hm c 1030lp5 e s ingle- e nded dual r m s power detector pc b [2] 600-00049-00-1 e valuation p c b HMC1030LP5E v 01.0 411 dual rms power detector dc - 3.9 ghz for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com power detectors - s m t 11 11 - 25 application circuit - wideband single-ended HMC1030LP5E v 01.0 411 dual rms power detector dc - 3.9 ghz for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com p ower d etectors - s m t 11 11 - 26 application information principle of operation t he hm c 1030lp5 e is a dual-channel r m s and e nvelope detector in a single package. t he hm c 1030lp5 e s r m s detector core is designed to measure the actual r m s power of the input signal, independent of the modulated signal waveform complexity or the modulation scheme. t he r m s detector core architecture of hm c 1030lp5 e is composed of a full-wave rectifer, log/antilog circuit, and an integrator as shown above. t he r m s output signal is directly proportional to the logarithm of the time-average of v in 2 . t he bias block also contains temperature compensation circuits which stabilize output accuracy over the entire operating temperature range. t he dc offset cancellation circuit actively cancels internal offsets so that even very small input signal levels can be measured accurately. t he hm c 1030lp5 e supports controller mode operation. for more information regarding controller mode operation, please contact hittite application support. t he hm c 1030lp5 e achieves exceptional r f power measurement accuracy independent of the modulation of the carrier with this system architecture. t he relation between the hm c 1030lp5 e s r m so u t output and the r f input power is given below w here ? is op-amp gain set via resistors on the v set pin. p in = v r ms /[log-slope]+[log-intercept], dbm v rmsout = 1 ln(? k g 2 v in 2 dt ) k 0 0.5 1 1.5 2 2.5 3 -70 -60 -50 -40 -30 -20 -10 0 10 ideal measured rmsout (v) input power (dbm) vrmsa vs. p in with wcdma 4 carrier @ 1900 mhz HMC1030LP5E v 01.0 411 dual rms power detector dc - 3.9 ghz for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com power detectors - s m t 11 11 - 27 -0.31 0 0.31 0.62 0.93 1.24 1.55 1.86 2.17 -80 -60 -40 -20 0 20 40 60 80 0 200 400 600 800 1000 rf input etout rmsout vet, rms (v) rf input (mv) time (ns) vrmsa & veta & wcdma 4 carrier with -20dbm rf input vs. time @ 900 mhz hm c 1030lp5 e s envelope detector core is capable of extracting the envelope information of the modulated r f signal with modulation bandwidths in excess of 100 mhz. t he extracted envelope information is independent of the average power and the crest factor of the r f signal. t he r m s detector core provides a linear-in-db output of the average r f power, whereas the envelope detector core provides a linear representation of the instantaneous envelope waveform. t he envelope detection feature may be used in ultra-fast excessive r f power protection systems, pa linearization techniques and in efficiency enhancing envelope-tracking pa implementations. HMC1030LP5E v 01.0 411 dual rms power detector dc - 3.9 ghz measuring the eto u t and r m s output voltage signals simultaneously provides a very informative picture of the r f input signal such as, peak power, average power, peak-to-average power, and r f wave-shape. s imultaneous measurement of instantaneous signal power and average power is essential for taking full advantage of a receive signal chains available dynamic range, while avoiding saturation, or to maximize transmitter efficiency. the HMC1030LP5E requires a single 5v supply with an adequate power supply decoupling as recommended in the application schematic. inputs of the HMC1030LP5E are broadband matched to 50 ohm single-ended with details included in the subsequent broadband s ingle- e nded input interface section. t he r m s a & r m s b outputs are typically connected to v set a & v set b inputs through a resistive network, resulting in a pin v r m s transfer characteristic with a slope of 37 mv/dbm (at 1900 mhz) for both channels. however, the r m s outputs can be re-scaled to magnify a specifc portion of the input sensing range, and to fully utilize the dynamic range of the r m s outputs. r efer to the section under the log- s lope and intercept section for details. t he o u t p & o u t n outputs provide the input signal power ratio between the two power detection channels. t he o u t p & o u t n outputs are typically connected to fbka & fbkb. an input voltage applied to the vlvl input pin is used to set the common mode voltage reference level for the o u t p & o u t n. t he vlvl pin is typically connected to v re f2 output to provide a nominal bias voltage of 2.5v. o ptionally, external bias voltage may be applied to vlvl. r efer to the section under the c hannel difference o utputs for details. t he et a & et b outputs provide linearly scaled replica of the instantaneous envelope of the modulated r f signal with modulation bandwidths up to 150 mhz for both channels. for optimum performance, the et outputs of the hm c 1030lp5 e should be terminated to ground with a 560 o hm load resistor. r efer to the section under the e nvelope detector o utput for details. confguration for the typical application for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com p ower d etectors - s m t 11 11 - 28 HMC1030LP5E v 01.0 411 dual rms power detector dc - 3.9 ghz t he sc a1-3 & sc b1-3 inputs are confgured digitally to set the integration bandwidth of the r m s detectors for both channels. r efer to the section under the r m s o utput interface and t ransient r esponse section for details. t he co fap-n & co fbp-n inputs determine the 3db bandwidth of the input high pass flter for both channels. t ypically 1nf external high pass flter capacitors are connected between co fap & co fan and between co fbp & co fbn for a banwdith of 62 khz. t he e nx input is the enable pin of the device. t he e n o u t input is the enable pin of the integrated o pamps driving r m s a & r m s b. both e nx and e n o u t are enable high. due to part-to-part variations in log-slope and log-intercept, a system-level calibration is recommended to satisfy absolute accuracy requirements: refer to the system calibration section for more details. broadband single-ended input interface t he hm c 1030lp5 e inputs are broadband matched to single-ended 50 o hm with the confguration shown below. the interface and requires only two external dc blocking capacitors and an external 50 ohm resistor over the entire frequency band of operation. the integrated broadband single-ended input interface of HMC1030LP5E eliminates the requirement for an external balun transformer or matching network and provides a compact, broadband solution. note that the provided single-ended input interface covers the whole operating spectrum of the HMC1030LP5E and does not require matching tuning for different frequencies. the performance of the HMC1030LP5E at different frequencies is shown below: 0 0.4 0.8 1.2 1.6 2 2.4 2.8 3.2 -4 -3 -2 -1 0 1 2 3 4 -70 -60 -50 -40 -30 -20 -10 0 10 err 100mhz err 900mhz err 1900mhz err 2200mhz err 2700mhz err 3500mhz err 3900mhz logout 100mhz logout 900mhz logout 1900mhz logout 2200mhz logout 2700mhz logout 3500mhz logout 3900mhz rmsout (v) error (db) input power (dbm) vrmsa & error vs. pin for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com power detectors - s m t 11 11 - 29 t he hm c 1030lp5 e integrates two hm c 1021lp4 e r m s detection channels with shared bias and control circuitry. proprietary design techniques enable extremely good matching between channels over a wide range of input frequencies with low temperature drift. channel matching part-to-part variations for single channel r m s detectors complicate simultaneous power readings. s imultaneous signal power measurements are particularly useful for automatic gain/level control and v swr measurements. w hen separate power detectors are used, the lack of an accurate match between the power detectors result in measurement errors. calibration and compensation methods are required to counteract the differences between the separate power detectors. t he hm c 1030lp5 dual r m s detector greatly simplifes that activity, and will reliably produce more accurate measurements. the HMC1030LP5E provides industry leading channel matching performance with the use of proprietary techniques. the channel mismatch is typically less than 100 mv over the specifed temperature and frequency range with the integrated broadband single-ended input interface. dual rms detection channels HMC1030LP5E v 01.0 411 dual rms power detector dc - 3.9 ghz -0.2 -0.15 -0.1 -0.05 0 0.05 0.1 0.15 0.2 -70 -60 -50 -40 -30 -20 -10 0 10 0.1 ghz 0.9 ghz 1.9 ghz 2.2 ghz 2.7 ghz 3.5ghz 3.9ghz rmsa-rmsb (v) input power (dbm) channel matching (rmsa-rmsb) channel isolation/interference off-chip interference between channels should be minimized with good rf board design practices and the quality of the soldered connections. o n-chip inter-channel interference, manifests itself as the variation on one detector output due to a relatively strong signal present at the other detector input. quantitatively, the input-output channel isolation is defned as the difference between the input power levels at both channels when the interfering (higher power level) channel causes a 1 db measurement error in the victim channel. w orst case channel interference occurs when victim channel has an input signal level just over its detection threshold. input- o utput c hannel isolation for hm c 1030lp5 e is: 55 db input-output isolation at 0.9 ghz 49 db input-output isolation up to 2.2 ghz 40 db input-output isolation up to 3.9 ghz. for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com p ower d etectors - s m t 11 11 - 30 envelope detector outputs t he hm c 1030lp5 e features envelope detection for both channels. t he et a & et b outputs provide a linearly scaled replica of the instantaneous envelope of the modulated r f signal for modulation bandwidths up to 150 mhz at for both channels. for optimum performance, the et a & et b pins of the hm c 1030lp5 e should be terminated with a 560 o hm load resistor to gnd. note that any capacitive loading on the et a & et b pins would reduce the modulation bandwidth of the envelope detection. t he envelope outputs have a conversion gain of 15v/v with an output voltage ranging from 1.0v to 2.1v. if the same input signal frequency is applied to both channels, the interference will occur as a phase delay. a slight offset in signal frequency between the two channels can be seen as a ripple at the output of the channel with the lower power level applied at its input. peaks in the output ripple correspond to the worst-case phase shift for input- output interference. the frequency of the output ripple will be equal to the beat frequency between the two channels. t he magnitude of the output ripple will depend on the sc i (integration) settings and offset capacitors connected to co fa & co fb pins, respectively. t he output ripple is reduced by increasing the value of the sc i setting, thereby decreasing the integrator bandwidth. t he data was collected using a 1 khz offset between the channels. HMC1030LP5E v 01.0 411 dual rms power detector dc - 3.9 ghz 0 1 2 3 4 5 -30 -25 -20 -15 -10 -5 0 5 10 0.1 ghz 0.9 ghz 1.9 ghz 2.2 ghz 2.7 ghz 3.5ghz 3.9ghz error in channel b (db) input power (dbm) 0 1 2 3 4 5 -30 -25 -20 -15 -10 -5 0 5 10 0.1 ghz 0.9 ghz 1.9 ghz 2.2 ghz 2.7 ghz 3.5ghz 3.9ghz error in channel a (db) input power (dbm) interference to an input signal (inb power fixed) with interfering signal on the other channel (ina power swept) interference to an input signal (ina power fixed) with interfering signal on the other channel (inb power swept) 0.5 1 1.5 2 2.5 0 0.25 0.5 0.75 1 1.25 1.5 1.75 2 +25c +85c -40c input peak voltage (vp-p) etout (v) eta vs. input peak voltage @ 900 mhz for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com power detectors - s m t 11 11 - 31 channel difference outputs hm c 1030lp5 e features o u t p and o u t n channel difference outputs that can be used differentially or single- ended. t he o u t p and o u t n outputs provide direct read of input signal power ratio between the two channels. t he o u t p and o u t n are connected to fbka and fbkb pins respectively. t he o u t p and o u t n are defned with the following equations: o u t p = r m s a - r m s b + vlvl o u t n = r m s b - r m s a + vlvl w here, the vlvl is the common mode reference level applied at the vlvl pin. t he vlvl pin can be connected to v re f2 output to provide a nominal base voltage of 2.5v. o ptionally; external bias voltage can be applied to vlvl. t he waveform below shows the hm c 1030lp5 e s envelope detector response to an r f input signal with a 100 mhz modulation bandwidth. etout response to an rf input signal with 100 mhz modulation bandwidth 0 1 2 3 4 -70 -60 -50 -40 -30 -20 -10 0 10 outp outn output (v) input power (dbm) channel difference outputs @ 1900 mhz, channel a power swept, channel b @ -25 dbm, vlvl=2.5v w ith the channels of hm c 1030lp5 e having very low mismatch, and located on the same die, the channel outputs r m s a and r m s b track very closely over temperature. t he difference operation also allows the o u t p and o u t n to reject common-mode changes in channels a and b. HMC1030LP5E v 01.0 411 dual rms power detector dc - 3.9 ghz for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com p ower d etectors - s m t 11 11 - 32 t he hm c 1030lp5 e features digital input pins ( sc i1- sc i3) that control the internal integration time of the r m s detector. t he r m s output transient response is determined by the digital integration controls, and output load conditions. t he sc i3 is the most signifcant bit, and the longest integration time is for sc i=111. using larger values of sc i will narrow the operating bandwidth of the integrator, resulting in a longer averaging time interval and a more fltered output signal. it will also slow the power detectors transient response. a larger sc i value favors output accuracy over speed. for the fastest possible transient settling time,s set sc i to 000. t his confguration will operate the integrator at its widest possible bandwidth, resulting in short averaging time-interval and an output signal with little fltering. for most applications an sc i setting may be selected to maintain a balance between speed and accuracy. furthermore, error performance over modulation bandwidth is dependent on the sc i setting. for example modulations with relatively low frequency components and high crest factors may require higher sc i (integration) settings. e xcessive loading at the r m s output impacts the transient response. it is recommended to keep load resistance above 500 o hm. for increased load drive capability, consider a buffer amplifer on the r m s output. using an integrating amplifer on the r m s output allows for an alternative treatment for faster settling times. an external amplifer optimized for transient settling can also provide additional r m s fltering when operating hm c 1030lp5 e with a lower sc i value. rms output interface and transient response table 1: transient response vs. sci setting: rmsout rise-time 10% -> 90% (s) [3] rmsout rise settling time (s) [2] rmsout fall-time 100% -> 10% (s) [4] sc i3, 2,1 pin = 0 dbm pin = -20 dbm pin = -40 dbm pin = 0 dbm pin = -20 dbm pin = -40 dbm pin = 0 dbm pin = -20 dbm pin = -40 dbm 000 0.06 0.04 0.03 0.06 0.04 0.04 0.9 0.9 0.8 001 0.06 0.04 0.06 0.06 0.04 0.06 2.7 2.7 2.54 010 0.06 0.06 0.74 0.06 2.30 0.78 10.7 10.7 10 011 1.18 2.94 3.57 4.69 8 5 43.7 43 41.4 100 4.82 11.9 15 23.9 32 21.5 178 176 169 101 21.3 50 67. 2 107 130 91.3 727 718 667 110 90.5 205 278 486 520 378 3000 2950 2730 111 381 851 1120 2047 2042 1515 12240 12066 117 70 0.01 0.1 1 10 100 1000 10000 01234567 -40 dbm -20 dbm 0 dbm integration setting (in decimal) rise time (us) rise time [1] vs. sci setting over input power 0.1 1 10 100 1000 10000 100000 01234567 -40 dbm -20 dbm 0 dbm integration setting (in decimal) rise settling time (us) rise settling time [2] vs. sci setting over input power [1] measured from 10% to 90% [2] measured from r f switching edge to 1db (input referred) settling of rmsout . HMC1030LP5E v 01.0 411 dual rms power detector dc - 3.9 ghz for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com power detectors - s m t 11 11 - 33 [1] measured from 100% to 10% 1 10 100 1000 10000 100000 01234567 -40 dbm -20 dbm 0 dbm integration setting (in decimal) fall time (us) fall time [1] vs. sci setting over input power 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 -100 -80 -60 -40 -20 0 20 40 60 80 100 0 50 100 150 200 250 300 350 400 450 500 sci = 000 sci = 010 rmsout (v) rf input voltage (mv) time (us) rf input rmsout residual ripple for 0.9 ghz ofdm advanced 802.16 @ sci = 010 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 -100 -80 -60 -40 -20 0 20 40 60 80 100 0 50 100 150 200 250 300 350 400 450 500 sci = 000 sci = 011 rmsout (v) rf input voltage (mv) time (us) rf input rmsout residual ripple for 0.9 ghz wimax ofdm advanced 802.16 @ sci = 011 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 -100 -80 -60 -40 -20 0 20 40 60 80 100 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 sci = 000 sci = 011 rmsout (v) rf input voltage (mv) time (ms) rf input rmsout residual ripple for 0.9 ghz wibro @ sci = 011 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 -100 -80 -60 -40 -20 0 20 40 60 80 100 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 sci = 000 sci = 011 rmsout (v) rf input voltage (mv) time (ms) rf input rmsout residual ripple for 0.9 ghz wibro @ sci = 101 HMC1030LP5E v 01.0 411 dual rms power detector dc - 3.9 ghz for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com p ower d etectors - s m t 11 11 - 34 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 -100 -80 -60 -40 -20 0 20 40 60 80 100 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 sci = 000 sci = 010 rmsout (v) rf input voltage (mv) time (ms) rf input rmsout residual ripple for 0.9 ghz lte downlink @ sci = 010 HMC1030LP5E v 01.0 411 dual rms power detector dc - 3.9 ghz 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 -100 -80 -60 -40 -20 0 20 40 60 80 100 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 sci = 000 sci = 011 rmsout (v) rf input voltage (mv) time (ms) rf input rmsout residual ripple for 0.9 ghz lte downlink @ sci = 011 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 -100 -80 -60 -40 -20 0 20 40 60 80 100 0 100 200 300 400 500 600 700 800 900 1000 sci = 000 sci = 011 rmsout (v) rf input voltage (mv) time (us) rf input rmsout residual ripple for 0.9 ghz wcdma-4tm @ sci = 011 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 -100 -80 -60 -40 -20 0 20 40 60 80 100 0 100 200 300 400 500 600 700 800 900 1000 sci = 000 sci = 100 rmsout (v) rf input voltage (mv) time (us) rf input rmsout residual ripple for 0.9 ghz wcdma-4tm @ sci = 100 log-slope and intercept t he hm c 1030lp5 e provides for an adjustment of output scale with the use of integrated operational amplifers for both channels. log-slope and intercept can be adjusted to magnify a specifc portion of the input sensing range, and to fully utilize the dynamic range of the r m s outputs. a log-slope of 37 mv/db (@1900 mhz) is set by connecting r m s o utput to v set through a resistor network for b=1 (see application schematic). t he log-slope is adjusted by using the appropriate resistors r fbka, r fbkb, rs hun t a, rs hun t b on the r m s a/ r m s b and v set a/v set b pins. log-intercept is adjusted by applying d c voltage to the vblin e a and /vblin e b. due to the 15k o hm input resistance at the v set a/v set b pins, moderately low resistance values should be used to minimize the scaling errors. very low resistor values will reduce the load driving capabilities of r m s a/ r m s b outputs while larger values will result in scaling errors and increase of the temperature errors because of the mismatch of the on-chip and external resistor temperature coefficients. for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com power detectors - s m t 11 11 - 35 o ptimized slope = b * log-slope o ptimized intercept = log-intercept C ( r fbk / rset ) * vblin e HMC1030LP5E v 01.0 411 dual rms power detector dc - 3.9 ghz r fbk r fbk // r shun t // r set ? =(1/2) w hen r fbk =0 to set v r m s =v set , then b=1/2. if r set is not populated, then b =1/2 * ( r fbk / ( r fbk // r s hun t )) and intercept is at nominal value. note: avoid excessive loading of the r m s output; keep c l o ad < 35 pf, and r l o ad > 375 ohm e xample: t he logarithmic slope can be simply increased by choosing appropriate r fbk and r s hun t values while not populating the r set resistor on the evaluation board to keep the intercept at nominal value. s etting r fbk =1k o hm and r s hun t = 0.5k o hm results in an optimized slope of: o ptimized s lope = b * log_slope = 1.5* 37 mv / db o ptimized s lope = 55.5 mv / db 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 -70 -60 -50 -40 -30 -20 -10 0 10 nominal high slope input power (dbm) rmsout (v) slope = 55.5 mv/db rset = open rfbk = 1 kohm rshunt = 0.5 kohm slope = 37.2 mv/db rset = open rfbk = 1 kohm rshunt = 1 kohm slope adjustment for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com p ower d etectors - s m t 11 11 - 36 e xample: t he logarithmic intercept can also be adjusted by choosing appropriate r fbk , r s hun t , and r set values. s etting r fbk = 1k o hm, r s hun t =0.5k o hm, and r set = 4.7k o hm results in an optimized slope of: o ptimized s lope = b * log_slope = 1.6 * 37 mv / db o ptimized s lope = 59.2 mv / db o ptimized intercept = log_intercept C( r fbk / r set )*vblin e o ptimized intercept = log_intercept - 0.213 * vblin e HMC1030LP5E v 01.0 411 dual rms power detector dc - 3.9 ghz 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 -70 -60 -50 -40 -30 -20 -10 0 10 vbline = -3.2 v vbline = -1.6 v vbline = -0.8 v vbline = 0 v vbline = +0.8 v vbline = +1.6 v vbline = +3.2 v input power (dbm) rmsout (v) rset = 4.7 kohm rfbk = 1 kohm rshunt = 0.5 kohm intercept adjustment temperature sensor interface t he hm c 1030lp5 e provides a buffered p t a t temperature sensor output that provides a temperature scaling factor of 2 mv/ c with a typical output voltage of 567 mv at 0 c . t he output is capable of sourcing 1.5 ma. 0.4 0.5 0.6 0.7 0.8 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 tempout tempout (v) temperature (celcius) temp output for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com power detectors - s m t 11 11 - 37 HMC1030LP5E v 01.0 411 dual rms power detector dc - 3.9 ghz dc offset compensation loop internal dc offsets, which are input signal dependant, require continuous cancellation. offset cancellation is a critical function needed for maintenance of measurement accuracy and sensitivity. t he dc offset cancellation loop performs this function, and its response is largely defned by the capacitances ( co f s ) connected between co fpa& co fna pins and between co fpb& co fnb pins. t he co f s capacitors sets the loop bandwidth of the d c offset compensations. higher cofs values are required for measuring lower rf frequencies. the optimal loop bandwidth setting will allow internal offsets to be cancelled at a minimally acceptable speed. d c o ffset c ancellation loop bandwidth , hz for example: loop bandwidth for d c cancellation with c o fs = 1nf, bandwidth is ~62 khz standby mode t he e nx pin can be used to force the power detector into a low-power standby mode. as e nx is deactivated, power is restored to all of the circuits. t here is no memory of previous conditions. c oming out of stand by, internal integration and cofs capacitors will require recharging, so if large sci values or large cofs capacitor values have been chosen, the wake-up time will be lengthened. modulation performance C crest factor performance t he hm c 1030lp5 e is able to detect the average power of r f signals with complex modulation schemes with exceptional accuracy. t he proprietary r m s detection core is optimized to accurately detect the r m s power of the modulated r f signals with very high crest factors. t his crest factor immune detection architecture of hm c 1030lp5 e results in detection accuracy of better than 0.2 db over the entire operating frequency and temperature range, compared with the cw response under actual wc dma4 t m test signals shown below: 1 (500)( c o fs + 20 x 10 12 ) -1 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1 -70 -60 -50 -40 -30 -20 -10 0 10 100mhz 900mhz 1900mhz 2200mhz 2700mhz 3500mhz 3900mhz input power (dbm) error (db) reading error for wcdma 4 carrier wrt cw response @ +25c -1 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1 -70 -60 -50 -40 -30 -20 -10 0 10 +25c +85c -40c input power (dbm) error(db) reading error for wcdma 4 carrier wrt cw response @ 1900 mhz for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com p ower d etectors - s m t 11 11 - 38 due to part-to-part variations in log-slope and log-intercept, a system-level calibration is recommended to satisfy absolute accuracy requirements. when performing this calibration, choose at least two test points: near the top-end and bottom-end of the measurement range. it is best to measure the calibration points in the regions (of frequency and amplitude) where accuracy is most important. derive the log-slope and log-intercept, and store them in non-volatile memory. for example if the following two calibration points were measured at 2.35 ghz: w ith vrms = 2.34v at pin = -7 dbm, and vrms=1.84v at pin = -16 dbm s lope c alibration c onstant = scc scc = (-16+7)/(1.84-2.34) = 18 db/v intercept c alibration c onstant = i cc i cc = pin C scc *vrms = -7 C 18.0 * 2.34 = -49.12 dbm now performing a power measurement: vrms measures 2.13v [measured pin] = [measured vrms]* scc + i cc [measured pin] = 2.13*18.0 C 49.12 = -10.78 dbm an error of only 0.22 db factory system calibration measurements should be made using an input signal representative of the application. if the power detector will operate over a wide range of frequencies, choose a central frequency for calibration. layout considerations ? mount rf input coupling capacitors close to the in+ and in- pins. ? solder the heat slug on the package underside to a grounded island which can draw heat away from the die with low thermal impedance. t he grounded island should be at r f ground potential. ? connect power detector ground to the rf ground plane, and mount the supply decoupling capacitors close to the supply pins. defnitions: ? log-slope: slope of p in C> v r m s transfer characteristic. in units of mv/db ? log-intercept: x-axis intercept of p in C> v r m s transfer characteristic. in units of dbm. ? rms output error: the difference between the measured p in and actual p in using a line of best ft. [measured_p in ] = [measured_v r m s ] / [best-ft-slope] + [best-ft-intercept], dbm ? input dynamic range: the range of average input power for which there is a corresponding rms output voltage with r m s o utput e rror falling within a specifc error tolerance. ? crest factor: peak power to average power ratio for time-varying signals. system calibration -1 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1 3 4 5 6 7 8 9 10 11 12 13 1900 mhz error from cw (-37 dbm) 2700 mhz error from cw (-39 dbm) input signal crest factor (db) rmsa reading error (db) rmsa error vs. crest factor over frequency HMC1030LP5E v 01.0 411 dual rms power detector dc - 3.9 ghz |
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