page 1 of 7 document no. 70-0187-01 www.psemi.com ?2005 peregrine semiconductor corp. all rights reserved. v dd = 2.45< v dd <2.75 v, -40 c t a 85 c, unless otherwise specified the PE9308 is a high-performance dynamic ultracmos? prescaler ideal for ku band transceiver applications. it has a fixed divide ratio of 4 with an operating frequency range of 4.0 ghz to 13.5 ghz. the PE9308 operates on a nominal 2.6 v supply and draws only 15 ma. it is packaged in a small 8-lead flat pack and is also available in die form for hybrid application. the PE9308 is manufactured in peregrine?s patented ultra thin silicon (utsi?) cmos process, offering the performance of gaas with the economy and integration of conventional cmos. advance information 13.5 ghz low power ultracmos? divide-by-4 prescaler for rad-hard space applications product description figure 1. functional schematic diagram PE9308 features ? high-frequency operation: up to 13.5 ghz ? fixed divide ratio of 4 ? low-power operation:15 ma typical @ 2.6v ? sel immune due to ultracmos? ? seu <10 -10 errors / bit-day ? 100 krads (si) total dose ? small package: 8-lead formed flat pack ? available as die table 1. electrical specifications (z s = z l = 50 ? ) figure 2. package type 8-lead csoic in out q q set clr d q q set clr d output buffer parameter conditions minimum typical maximum units supply voltage 2.45 2.6 2.75 v supply current 8 15 20 ma ssb phase noise (phn) 100 khz offset; pin=0dbm -120 dbc/hz input power (p in ) 7.0 ghz f in 10.0 ghz 0 +10 dbm 4.0 ghz < f in 7.0 ghz +5 +10 dbm output power (p out ) 4.0 ghz f in 10.0 ghz 0 dbm frequency 4000 13,500 mhz
advance information PE9308 page 2 of 7 ?2005 peregrine semiconductor corp. all rights reserved. document no. 70-0187-01 ultracmos? rfic solutions table 2. pin descriptions table 3. absolute maximum ratings electrostatic discharge (esd) precautions when handling this ultracmos? device, observe the same precautions that you would use with other esd-sensitive devices. although this device contains circuitry to protect it from damage due to esd, precautions should be taken to avoid exceeding the rating specified in table 3. latch-up avoidance unlike conventional cmos devices, ultracmos? devices are immune to latch-up. figure 3. pin configuration (top view) PE9308 1 2 3 4 8 7 6 5 v dd1 nc rf in nc nc v dd1 rf out v dd2 pin no. pin name description 1 v dd1 dc supply voltage 2 v dd1 dc supply voltage 3 rf in rf input 4 nc not connected 5 v dd2 dc supply voltage 6 rf out rf output. 7 nc not connected 8 nc not connected symbol parameter/ conditions min max units v dd dc supply voltage 3.0 v t st storage temperature range -65 150 c t op operating temperature range -40 85 c vesd esd voltage (human body model) 250 v p inmax maximum input power 14 dbm device functional considerations the PE9308 takes an input signal frequency from between 4.0 ghz to 13.5 ghz and produces an output signal frequency one-fourth that of the supplied input. in order for the prescaler to work properly, several conditions need to be adhered to. it is crucial that pins 1, 2 and 5 be supplied with a bypass capacitor to ground. in addition, the output signal (pins 6) needs to be ac coupled via an external capacitor as shown in the test circuit below. the ground pattern on the board should be made as wide as possible to minimize ground impedance. absolute maximum rati ngs are those values listed in the above table. exceeding these values may cause permanent device damage. exposure to absolute maximum ratings for extended periods may affect device reliability.
advance information PE9308 page 3 of 7 ?2005 peregrine semiconductor corp. all rights reserved. document no. 70-0187-01 ultracmos? rfic solutions figure 4. test circuit block diagram bpf saw agc fm demod PE9308 pe9701 low noise pll synth lpf baseband output divide by 4 input dbs 1 st if the wideband frequency of operation of the PE9308 ma kes it an ideal part for use in a dbs down converter system. figure 5. high frequency system application 1 2 3 4 5 6 7 8 nc nc nc in out v dd2 v dd1 v dd1 PE9308 50 ? v dd v dd 0.01 f 0.01 f 10 p f 10 p f 0.5 p f 0.5 p f 6.8 p f t line* t line* 50 ? spectrum analyzer rf source *t line = transmission line
advance information PE9308 page 4 of 7 ?2005 peregrine semiconductor corp. all rights reserved. document no. 70-0187-01 www.psemi.com -2 0 2 4 6 8 10 1.625 1.825 2.025 2.225 2.425 2.625 2.825 3.025 3.225 output frequency (ghz) pout (dbm) 2.60v @ 25c -45 -40 -35 -30 -25 -20 -15 -10 -5 0 5 10 15 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11 11.5 12 12.5 13 13.5 input frequency (ghz) pin (dbm) 2.60v @ 25c figure 6: input power sensitivity vs input frequency at nominal voltage, 25 c figure 7: output power vs output frequency at nominal voltage, 25 c
advance information PE9308 page 5 of 7 ?2005 peregrine semiconductor corp. all rights reserved. document no. 70-0187-01 www.psemi.com evaluation kit figure 8. evaluation board layouts figure 9. evaluation board schematic peregrine specification 102/0247 peregrine specification 101/0186 applications support if you have a problem with your evaluation kit or if you have applications questions call (858) 731- 9400 and ask for applications support. you may also contact us by fax or e-mail: fax: (858) 731-9499 e-mail: help@psemi.com the ceramic soic prescaler evaluation board was designed to help customers evaluate the PE9308 divide-by-4 prescaler. on this board, the device input (pin 3) is connected to the sma connector j2 through a 50 ? transmission line. the device output (pin 6) is connected to sma connector j3 through a 50 ? transmission line. j1 provides dc power to the device via pin 1,2,4,5,7,8.multiple decoupling capacitors (c4,5,8,9=10pf, c3,6,7,10=0.01uf) are used. it is the responsibility of the customer to determine proper supply decoupling for their design application. the board is constructed using 4 layers. the top and bottom layers are comprised of rogers low loss 4350 material having a core thickness of 0.010"; while the internal layers are comprised of fr-4. the overall board thickness is 0.062".
advance information PE9308 page 6 of 7 ?2005 peregrine semiconductor corp. all rights reserved. document no. 70-0187-01 ultracmos? rfic solutions table 4. ordering information figure 10. package drawing 8-lead csoic order code part marking description package shipping method 9308-01 9308 PE9308-08cfpj-b engineering samples 8-lead flat pack 50 / tray 9308-11 9308 PE9308-08cfpj-b production units 8-lead flat pack 50 / tray 9308-00 PE9308-ek PE9308 evaluation kit evaluation board 1 / box side view top view .050 typ .015 typ .150 typ .380 / .410 .210 / .250 .180 sq max pin 1 all dimensions are in inches drawings are not to scale .070 max .005 typ
advance information PE9308 page 7 of 7 ?2005 peregrine semiconductor corp. all rights reserved. document no. 70-0187-01 www.psemi.com sales offices the americas peregrine semiconductor corp. 9450 carroll park drive san diego, ca 92121 tel 858-731-9400 fax 858-731-9499 north asia pacific peregrine semiconductor k.k. 5a-5, 5f imperial tower 1-1-1 uchisaiwaicho, chiyoda-ku tokyo 100-0011 japan tel: +81-3-3502-5211 fax: +81-3-3502-5213 europe peregrine semiconductor europe commercial products: batiment maine 13-15 rue des quatre vents f- 92380 garches, france tel: +33-1-47-41-91-73 fax : +33-1-47-41-91-73 space and defense products: 180 rue jean de guiramand 13852 aix-en-provence cedex 3, france tel: +33(0) 4 4239 3361 fax: +33(0) 4 4239 7227 for a list of representatives in your area, please refer to our web site at: www.psemi.com data sheet identification advance information the product is in a formative or design stage. the data sheet contains design target specifications for product development. specifications and features may change in any manner without notice. preliminary specification the data sheet contains preliminary data. additional data may be added at a later date. peregrine reserves the right to change specifications at any time without notice in order to supply the best possible product. product specification the data sheet contains final data. in the event peregrine decides to change the specifications, peregrine will notify customers of the intended changes by issuing a dcn (document change notice). the information in this data sheet is believed to be reliable. however, peregrine assumes no liability for the use of this information. use shall be entirely at the user?s own risk. no patent rights or licenses to any circuits described in this data sheet are implied or granted to any third party. peregrine?s products are not designed or intended for use in devices or systems intended for surgical implant, or in other applications intended to support or sustain life, or in any application in which the failure of the peregrine product could create a situation in which personal injury or death might occur. peregrine assumes no liability for damages, including consequential or incidental damages, arising out of the use of its products in such applications. the peregrine name, logo, and utsi are registered trademarks and ultracmos is a trademark of peregrine semiconductor corp. south asia pacific peregrine semiconductor 28g, times square, no. 500 zhangyang road, shanghai, 200122, p.r. china tel: +86-21-5836-8276 fax: +86-21-5836-7652
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