alpha industries, inc. [781] 935-5150 ? fax [617] 824-4579 ? email sales@alphaind.com ? www.alphaind.com 1 specifications subject to change without notice. 10/99a gaas ic diversity switch dc?2.5 ghz features low cost soic-8 plastic package independent four port switching individual voltage control on each port asc02d2-12 (previously ADC02D2-12)* description the adc02d2 is a 4 port switch with independent dc voltage control on each port mounted in the soic-8 package. in transmit or receive applications, the asymmetric design allows for good isolation between transmit and receive path while maintaining medium power handling in transmit port. parameter 1 frequency 2 min. typ. max. unit insertion loss 3 dc?0.5 ghz 1.0 1.1 db receiver dc?1.0 ghz 1.0 1.2 db (r x ?j 1 , j 2 ) dc?2.0 ghz 1.1 1.3 db dc?2.5 ghz 1.1 1.4 db insertion loss dc?0.5 ghz 0.8 0.9 db transmit dc?1.0 ghz 0.8 1.0 db (t x ?j 1 , j 2 ) dc?2.0 ghz 0.9 1.1 db dc?2.5 ghz 0.9 1.2 db isolation dc?0.5 ghz 34 37 db (r x ?j 1 , j 2 ) dc?1.0 ghz 28 30 db dc?2.0 ghz 22 24 db dc?2.5 ghz 20 22 db isolation dc?0.5 ghz 32 33 db (t x ?j 1 , j 2 ) dc?1.0 ghz 26 27 db dc?2.0 ghz 20 21 db dc?2.5 ghz 18 19 db vswr 4 dc?1.0 ghz 1.5:1 1.7:1 dc?2.5 ghz 1.8:1 2.0:1 electrical specifications at 25c (0, -5 v) 0.049 (1.24 mm) 0.016 (0.41 mm) 0.016 max. (0.41 mm) x 45? chamfer pin 1 0.197 (5.00 mm) 0.189 (4.80 mm) 0.068 (1.73 mm) max. 0.010 (0.25 mm) 0.004 (0.10 mm) 0.010 (0.25 mm) 0.007 (0.17 mm) 0.158 (4.00 mm) 0.150 (3.80 mm) 8? max. 0.020 (0.51 mm) max. 0.244 (6.20 mm) 0.228 (5.80 mm) 0.050 (1.27 mm) bsc pin 8 pin 1 indicator soic-8 parameter condition frequency min. typ. max. unit switching characteristics 5 rise, fall (10/90% or 90/10% rf) 3 ns on, off (50% ctl to 90/10% rf) 6 ns video feedthru 30 mv input power for 1 db compression 0.50?.0 ghz +27 dbm (t x ? 1 , j 2 ) 0.050 ghz +18 dbm intermodulation intercept point (ip3) for two-tone input power +13 dbm 0.50?.0 ghz +40 dbm 0.050 ghz +29 dbm control voltages v low = 0 to -0.2 v @ 20 ? max. v high = -5 v @ 50 ? to -8 v @ 200 ? max. operating characteristics at 25c (0, -5 v) 1. all measurements made in a 50 ? system, unless otherwise specified. 2. dc = 300 khz. 3. insertion loss changes by 0.003 db/?. 4. insertion loss state. 5. video feedthru measured with 1 ns risetime pulse and 500 mhz bandwidth. *due to conflict with another company s product numbering system, alpha s attenuator product ?dc02d2-12 is being changed to asc02d2-12?
gaas ic diversity switch dc?2.5 ghz asc02d2-12 2 alpha industries, inc. [781] 935-5150 ? fax [617] 824-4579 ? email sales@alphaind.com ? www.alphaind.com specifications subject to change without notice. 10/99a 2.0 1.6 1.2 0.8 0.4 3.0 frequency (ghz) insertion loss vs. frequency db r x t x 0 1.0 2.0 frequency (ghz) vswr vs. frequency (worst case) 2.0 1.8 1.6 1.4 1.2 1.0 3.0 1.0 2.0 frequency (ghz) isolation vs. frequency 60 50 40 30 db 20 10 3.0 1.0 2.0 r x t x v 3 v 1 t x v 2 j 1 j 2 v 4 r x 123 4 876 5 characteristic value rf input power 2 w > 500 mhz 0/-8 v 0.5 w @ 50 mhz 0/-8 v control voltage +0.2 v, -10 v operating temperature -40 c to +85 c storage temperature -65 c to +150 c jc 25 c/w absolute maximum ratings note: exceeding these parameters may cause irreversible damage. v 1 v 2 v 3 v 4 ? on paths ? 0-5-5 -5 t x j 2 -5 0 -5 -5 t x j 1 -5 -5 0 -5 r x j 1 -5 -5 -5 0 r x j 2 0-50 -5t x j 2, r x j 1 -5 0 -5 0 t x j 1, r x j 2 truth table pin out typical performance data (0, -5 v)
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