variable gain a mplifier - s m t 1 hmc997lc4 v01.0112 variable gain amplifier 17 - 27 ghz functional diagram the h m c997 l c4 is a ga a s mmi c p h em t analog variable gain amplifer and / or driver amplifer which operates between 17 and 27 ghz. i deal for microwave radio applications, the amplifer provides up to 20.5 d b of gain, output p 1d b of up to +24 d b m, and up to +31 d b m of output ip 3 at maximum gain, while requiring only 170 m a from a +5v supply. a gain control voltage (vctrl) is provided to allow variable gain control up to 15 d b . gain fatness is excellent making the h m c997 l c4 ideal for e w, e c m and radar applications. the h m c997 l c4 is housed in a r ohs compliant 4 x 4 mm ceramic q fn leadless package and is compatible with high volume surface mount manufacturing. typical applications features general description the h m c997 l c4 is ideal for: ? point-to-point radio ? point-to-multi-point radio ? ew & ecm subsystems ? ka-band radar ? test equipment wide gain control r ange: 15 d b single control voltage output ip 3 @ m ax gain: +31 d b m output p 1d b : +24 d b m n o e xternal m atching 24 l ead 4x4 mm s m t p ackage: 16 mm 2 electrical specifcations, t a = +25c, vdd1, 2, 3 = 5v, vctrl= -4.5v, idd = 170 ma* p arameter min. ty p. max. min. ty p. max. units f requency r ange 17 - 21 21 - 27 ghz gain 1 7. 0 20 16 19 db gain flatness 0.3 0.7 db gain variation over temperature 0.02 0.02 db/ c gain control r ange 12 15 12 14 db noise f igure 4.0 3.5 db input r eturn loss 13 12 db output r eturn loss 17 19 db output p ower for 1 d b compression (p1db) 21 24 21 24 dbm saturated output p ower ( psat) 25 24.5 dbm output third order i ntercept (ip3) 31 30 dbm total supply current ( idd) 170 170 ma *set vctrl = -4.5v and then adjust vgg1, 2 between -2v to 0v to achieve i dd = 170ma typical. for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, 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
variable gain a mplifier - s m t 2 hmc997lc4 v01.0112 variable gain amplifier 17 - 27 ghz output return loss vs. temperature broadband gain & return loss gain vs. temperature input return loss vs. temperature gain vs. control voltage range gain vs. control voltage 0 5 10 15 20 25 17 19 21 23 25 27 gain (db) frequency (ghz) vctl = -4.5v vctl = -1.9v vctl = -3.4v vctl = -2,5v vctl = -3.1v vctl = -1.0v vctl = -2.8v vctl = -2.2v vctl = -1.6v 10 14 18 22 26 30 17 19 21 23 25 27 +25c +85c -40c gain (db) frequency (ghz) -30 -25 -20 -15 -10 -5 0 17 19 21 23 25 27 +25c +85c -40c return loss (db) frequency (ghz) -30 -25 -20 -15 -10 -5 0 17 19 21 23 25 27 +25c +85c -40c return loss (db) frequency (ghz) -30 -20 -10 0 10 20 30 15 17 19 21 23 25 27 29 s21 s11 s22 response (db) frequency (ghz) 0 5 10 15 20 25 -4 -3.7 -3.4 -3.1 -2.8 -2.5 -2.2 -1.9 -1.6 -1.3 -1 17 ghz 19 ghz 21 ghz 22 ghz 25 ghz 27 ghz gain (db) control voltage (v) for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, 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
variable gain a mplifier - s m t 3 hmc997lc4 v01.0112 variable gain amplifier 17 - 27 ghz [1] tested with broadband bias tee on rf ports and c1 = 10,000p f [2] c1, c6 and c8 = 100p f , l 1 = 24n f p1db vs. temperature psat vs. temperature noise figure vs. temperature input return loss @ control voltage extreme output return loss @ control voltage extreme noise figure vs. control voltage -30 -25 -20 -15 -10 -5 0 17 19 21 23 25 27 -4.5 volts -1.0 volts return loss (db) frequency (ghz) -30 -25 -20 -15 -10 -5 0 17 19 21 23 25 27 -4.5 volts -1.0 volts return loss (db) frequency (ghz) 0 1 2 3 4 5 6 7 17 18 19 20 21 22 23 24 25 26 27 +25c +85c -40c noise figure (db) frequency (ghz) 2 4 6 8 10 12 14 -4 -3.5 -3 -2.5 -2 -1.5 -1 17 ghz 18 ghz 20 ghz 22 ghz 24 ghz 25 ghz 26 ghz noise figure (db) control voltage (v) 0 5 10 15 20 25 30 17 19 21 23 25 27 +25c +85c -40c p1db (dbm) frequency (ghz) vctrl = -4.5v vctrl = -1v 0 5 10 15 20 25 30 17 19 21 23 25 27 +25c +85c -40c psat (dbm) frequency (ghz) vctrl = -4.5v vctrl = -1v for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, 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
variable gain a mplifier - s m t 4 hmc997lc4 v01.0112 variable gain amplifier 17 - 27 ghz output ip3 vs. temperature reverse isolation vs. temperature ip3 and gain @ 22 ghz pin = -20 dbm ip3 and gain @ 18 ghz pin = -20 dbm ip3 and gain @ 26 ghz pin = -20 dbm -80 -70 -60 -50 -40 -30 -20 -10 0 16 18 20 22 24 26 28 +25c +85c -40c isolation (db) frequency (ghz) 10 15 20 25 30 35 40 17 18 19 20 21 22 23 24 25 26 27 +25c +85c -40c frequency (ghz) ip3 (dbm) vctrl=-4.5v, pout=+14dbm vctrl=-1v, pout=+14dbm 0 5 10 15 20 25 30 35 40 -4.5 -4 -3.5 -3 -2.5 -2 -1.5 -1 oip3 gain iip3 ip3 (dbm), gain (db) control voltage (v) 0 5 10 15 20 25 30 35 40 -4.5 -4 -3.5 -3 -2.5 -2 -1.5 -1 oip3 gain iip3 ip3 (dbm), gain (db) control voltage (v) 0 5 10 15 20 25 30 35 40 -4.5 -4 -3.5 -3 -2.5 -2 -1.5 -1 oip3 gain iip3 ip3 (dbm), gain (db) control voltage (v) for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, 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
variable gain a mplifier - s m t 5 hmc997lc4 v01.0112 variable gain amplifier 17 - 27 ghz outline drawing p art n umber p ackage b ody m aterial l ead f inish m sl r ating p ackage m arking [2] h m c997 l c4 a lumina, white gold over n ickel m sl 1 [1] h997 xxxx [1] m ax peak refow temperature of 260 c [2] 4-digit lot number xxxx package information absolute maximum ratings drain b ias voltage (vdd1, 2, 3) +5.5v gate b ias voltage (vgg1, 2) -3 to 0v gain control voltage (vctrl) -5 to 0v rf p ower i nput ( rfin ) +5 d b m channel temperature 175 c continuous p diss (t = 85 c) (derate 10.2 mw/ c above 85 c) [1] 0.92 w thermal r esistance (channel to ground paddle) 97.6 c/w storage temperature -65 to +150 c operating temperature -40 to +85 c e sd sensitivity (h bm ) class 0 p assed 100v ele ct r ost a t ic s en s i t i v e de v ic e o b s er v e h an d lin g pre c a ut io n s bias voltage vdd1,2,3 (v) i dd total (m a ) +5v 170 vgg1,2 (v) i gg total (m a ) 0v to -2v <0.1 m a n ot e s: 1. package body material: alumina. 2. lead and ground paddle plating: gold flash over nickel. 3. d imen s i o n s are in in ch e s ( millime t er s). 4. lea d s pa c in g to leran c e i s n o n -cu m u la t i v e . 5. package warp shall not exceed 0.05mm datum C c C 6. all g r ou n d lea ds an d g r ou n d pa dd le m ust be so l d ere d to p c b rf g r ou n d. for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, 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
variable gain a mplifier - s m t 6 hmc997lc4 v01.0112 variable gain amplifier 17 - 27 ghz pin descriptions p in n umber f unction description i nterface schematic 1, 2, 6, 8, 10, 11, 13, 17, 18, 20, 21, 23 n /c the pins are not connected internally: however all data shown herein was measured with these pins connected to rf /dc ground externally 3, 5, 14, 16 g nd these pins and the exposed ground paddle must be connected to rf /dc ground. 4 rfin this pad is a c coupled and matched to 50 ohm. 7, 12 vgg1, 2 gate control for amplifer. a djust voltage to achieve typical i dd. p lease follow mmi c a mplifer b iasing p rocedure application note. 9 vctrl gain control voltage for the amplifer. see assembly diagram for required external components. 15 rf out this pad is a c coupled and matched to 50 ohm. 19, 22, 24 vdd3, 2, 1 drain b ias voltage for the amplifer. see assembly diagram for required external components for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, 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
variable gain a mplifier - s m t 7 hmc997lc4 v01.0112 variable gain amplifier 17 - 27 ghz application circuit for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, 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
variable gain a mplifier - s m t 8 hmc997lc4 v01.0112 variable gain amplifier 17 - 27 ghz evaluation pcb the circuit board used in the application should use rf circuit design techniques. signal lines should have 50 ohm 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 connect the top and bottom ground planes. the evaluation circuit board shown is available from hit - tite upon request. i tem description j1, j4 p cb m ount s ma rf connectors j5 - j10 dc p in c1 - c6 100 p f capacitor, 0402 p kg. c7 - c12 1000 p f capacitor, 0603 p kg. c13 - c18 2.2 f capacitor, c a s e a u1 h m c997 l c4 variable gain a mplifer p c b [2] 122172 e valuation p c b [1] r eference this number when ordering complete evaluation p c b [2] circuit b oard m aterial: a rlon 25 fr list of materials for evaluation pcb eval01-hmc997lc4 [1] for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, 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
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