x-band parallel input 5-bit attenuator / 6-bit phase shifter / buffer amplifier die ITT373502D advanced information specifications subject to change without notice 902331 e, october 1999 gaastek 5310 valley park drive roanoke, va 24019 usa www.gaastek.com tel: 1-540-563-3949 1-888-563-3949 (usa) fax: 1-540-563-8616 1 features ? 8 to 11 ghz operation ? 50 ? input impedance ? self-aligned msag ? mesfet process phase shifter /attenuator rf in rf out parallel inputs description maximum ratings (t a = 25 c unless otherwise noted) rating symbol value unit dc drain supply voltage v d 8v dc gate supply voltage v g -6 v digital supply voltage v ee -6 v rf input power p in 200 mw junction temperature t j 150 c the ITT373502D is a x-band parallel input 5- bit attenuator / 6-bit phase shifter / buffer amplifier fabricated using itt gaastek?s mature gaas self-aligned msag ? mesfet process. this product is fully matched to 50 ohms on both the input and the output. storage temperature t stg -40 to +150 c electrical characteristics v d =5.0 v, v g = -4.0 v, v ee = -4.0 v, t=25 c, input and output connected to 50 ? . characteristic symbol min typ max unit frequency range ? 8.0 ? 11.0 ghz maximum gain 16 18 20 db input and output return loss rl 13 16 ? db gain flatness (peak-to-peak over any 250 mhz band) ? ? 0.5 1 db attenuation range (5-bits, 32 steps 0.75 db nominal) ? ? ? 23.3 db rms attenuation error (uncorrected) ? ? 0.25 0.45 db phase shift range (6-bits, 64 steps 5.6 degrees nominal) ? ? ? 353.4 deg rms phase error (uncorrected) ??23deg gain variation (over all phase shifter settings) ? ? +/- 1 +/- 1.5 db input third order intercept point toi 6 7 ? dbm output third order intercept point toi 24 25 --- dbm 1-db compression point p 1db 20 21 dbm noise figure 10 db non-harmonic spurious output -60 dbc
x-band parallel input 5-bit attenuator / 6-bit phase shifter / buffer amplifier die ITT373502D advanced information specifications subject to change without notice 902331 e, october 1999 gaastek 5310 valley park drive roanoke, va 24019 usa www.gaastek.com tel: 1-540-563-3949 1-888-563-3949 (usa) fax: 1-540-563-8616 2 characteristic symbol min typ max unit dc power supplies microwave drain supply voltage v d ? 5 ? v gate supply voltage v g ? -4 ? v drain supply current i d 250 290 330 ma gate supply current i g 11.5 2 ma digital source supply voltage v ee ? -4 ? v source supply current i ee 41016ma logic levels at input input high voltage v ih 3.0 ?? v input low voltage v il ?? 0.4 v input high input current iih 0.5 ma input low input current iil 0.1 ma timing delay between enable signal and bit change 25 50 ns reliability (80 c baseplate) mttf 10 6 hours
x-band parallel input 5-bit attenuator / 6-bit phase shifter / buffer amplifier die ITT373502D advanced information specifications subject to change without notice 902331 e, october 1999 gaastek 5310 valley park drive roanoke, va 24019 usa www.gaastek.com tel: 1-540-563-3949 1-888-563-3949 (usa) fax: 1-540-563-8616 3 mechanical information 3212.5 812.5 200 spacing for all pads 362 762 3238 3638 4000 rf in gnd vg vd gnd 5.6 o 11 o 22 o 45 o 90 o vee gnd 180 o 0.75 db 1.5 db 3 db 6 db 12 db rf out 6000 557 557 notes: dimensions in microns pad dimensions bias pads (vd, vg) 150umx150um control pads 125umx125um ground-rf-ground spacing 225um
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