alpha industries, inc. [781] 935-5150 fax [617] 824-4579 email sales@alphaind.com www.alphaind.com 1 specifications subject to change without notice. 3/99a 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 15 mv input power for 1 db compression 0.5C2.0 ghz +22 dbm intermodulation intercept point (ip3) for two-tone input power +13 dbm 0.5C2.0 ghz 40 dbm control voltages v low = 0 to -0.2 v @ 20 a max. v high = -5 @ 20 a to -8 v @ 200 a max. gaas ic spdt switch dcC2.5 ghz features n high isolation (35 db @ 0.9 ghz) n low insertion loss (0.5 db @ 0.9 ghz) n low dc power consumption soic-8 ASC02R2-12 description the ASC02R2-12 is a low cost ic fet spdt reflective general purpose switch in a plastic soic-8 package for commercial low cost, low power applications. the switch operates with -5, 0 v or 0, +5 v when floated as shown on the following page. parameter 1 frequency 2 min. typ. max. unit insertion loss 3 dcC0.1 ghz 0.4 0.5 db dcC0.5 ghz 0.5 0.6 db dcC1.0 ghz 0.6 0.7 db dcC2.0 ghz 0.8 1.0 db dcC2.5 ghz 1.0 1.1 db isolation dcC0.1 ghz 55 60 db dcC0.5 ghz 40 42 db dcC1.0 ghz 30 33 db dcC2.0 ghz 20 25 db dcC2.5 ghz 20 22 db vswr 4 dcC2.0 ghz 1.2:1 1.4:1 dcC2.5 ghz 1.5:1 1.7:1 electrical specifications at 25c (0, -5 v) operating characteristics at 25c (0, -5 v) 1. all measurements made in a 50 w system, unless otherwise specified. 2. dc = 300 khz. 3. insertion loss changes by 0.003 db/c. 4. insertion loss state. 5. video feedthru measured with 1 ns risetime pulse and 500 mhz bandwidth. 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
gaas ic spdt switc h dcC2.5 ghz ASC02R2-12 2 alpha industr ies , inc. [781] 935-5150 f ax [617] 824-4579 email sales@alphaind.com www .alphaind.com specifications subject to change without notice. 3/99a 1 . 2 1 . 0 0 . 8 0 . 6 0 . 4 f r e q u e n c y ( g h z ) i n s e r t i o n l o s s v s . f r e q u e n c y 0 . 2 d b 1 2 3 - 4 0 ? c + 8 5 ? c f r e q u e n c y ( g h z ) 1 2 3 v s w r v s . f r e q u e n c y 1 . 5 1 . 4 1 . 3 1 . 2 1 . 1 1 . 0 f r e q u e n c y ( g h z ) d b 1 2 3 i s o l a t i o n v s . f r e q u e n c y 6 0 5 0 4 0 3 0 2 0 1 0 j 1 C j 3 j 1 C j 2 typical performance data (0, -5 v) j 2 j 1 v 1 v 2 g n d j 3 c b l c b l c b l v s 1 0 k w c b p 1 2 3 4 8 7 6 5 c b p g n d characteristic v alue rf input p o w er 2 w > 500 mhz 0/-8 v 0.5 w @ 50 mhz 0/-8 v control v oltage +0.2 v , -8 v oper ating t emper ature -40c to +85c stor age t emper ature -65c to +150c q jc 25c/w absolute maximum ratings note: exceeding these par ameters ma y cause irre v ersib le damage . exter nal components sho wn are f or positiv e v oltage oper ation only . c bl = 100 pf , c bp = 1000 pf . capacitance v alues chosen f or oper ation >500 mhz. pin out v 1 v 2 j 1 Cj 2 j 1 Cj 3 0 -5 isolation inser tion loss -5 0 inser tion loss isolation truth table negative operation positive operation 1 v 1 v 2 j 1 Cj 2 j 1 Cj 3 v high 0 isolation inser tion loss 0 v high inser tion loss isolation v high = +5 to +8 v (v s = v high 0.2 v). 1. ref er to application notes f or fur ther inf or mation.
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