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 gaas ic spdt low loss switch reflective dcC4 ghz features n low dc power consumption n low loss, reflective, short n 8 lead hermetic surface mount package n capable of meeting mil-std requirements 6 AS004L2-11 description the AS004L2-11 spdt low loss reflective switch operates from dcC4 ghz. the chip has a single series fet in each arm for low loss performance. this switch should be used when requirements call for low insertion loss and medium isolation. parameter 1 frequency 5 min. typ. max. unit insertion loss 2 dcC1.0 ghz 0.5 0.7 db dcC2.0 ghz 0.7 0.9 db dcC4.0 ghz 0.9 1.2 db isolation dcC1.0 ghz 40 45 db dcC2.0 ghz 34 38 db dcC4.0 ghz 26 28 db vswr 3 dcC1.0 ghz 1.3:1 1.4:1 dcC4.0 ghz 1.5:1 1.6:1 electrical specifications at 25c 1. all measurements made in a 50 w system, unless otherwise specified. 2. insertion loss changes 0.003 db/c. 3. insertion loss state. 4. video feedthru measured with 1 ns risetime pulse and 500 mhz bandwidth. 5. dc = 300 khz. 6. see quality/reliability section. parameter condition frequency min. typ. max. unit switching characteristics rise, fall (10/90% or 90/10% rf) 3 6 ns on, off (50% ctl to 90/10% rf) 6 10 ns video feedthru 4 20 30 mv input power for 1 db compression 0/-5 v (0/-8 v) 0.5C4 ghz 21 24 (30) dbm 0.001 ghz 12 16 (20) dbm intermodulation intercept point (ip3) for two-tone input power 13 dbm 0.5C4 ghz 42 46 dbm 0.001 ghz 32 35 dbm control voltages v low = 0 to -0.2 v @ 20 a max. v high = -5 v @ 50 a to -9 v @ 200 a max. operating characteristics at 25c 0.180 (4.57 mm) sq. max. 0.400 (10.16 mm) 0.380 (9.65 mm) 0.150 (3.81 mm) 0.050 (1.27 mm) typ. orientation mark 0.017 (0.43 mm) 0.013 (0.33 mm) 0.006 (0.15 mm) 0.004 (0.10 mm) 0.250 (6.35 mm) 0.200 (5.08 mm) 0.070 (1.78 mm) 0.040 (1.02 mm) 0.075 (1.91 mm) max. -11
gaas ic spdt lo w loss switc h reflective dcC4 ghz AS004L2-11 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 0 . 4 0 . 6 0 . 8 1 . 0 1 . 2 1 . 4 d c 1 2 3 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 i n s e r t i o n l o s s ( d b ) 2 0 3 0 4 0 5 0 6 0 7 0 d c 1 2 3 4 f r e q u e n c y ( g h z ) i s o l a t i o n ( d b ) i s o l a t i o n v s . f r e q u e n c y typical performance data 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 pin out j 1 g n d j 3 v 2 v 1 g n d g n d j 2 characteristic v alue rf input p o w er (rf in) 2 w > 500 mhz 0/-8 v 0.5 w @ 50 mhz 0/-8 v control v oltage (v c ) +0.2 v , -10 v oper ating t emper ature (t op ) -55c to +125c stor age t emper ature (t st ) -65c to +150c ther mal resistance ( q jc ) 25c/w absolute maximum ratings
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