alpha industries, inc. [978] 241-7000 ? fax [978] 241-7906 ? email sales@alphaind.com ? www.alphaind.com 1 specifications subject to change without notice. 3/02a gaas ic spdt switch reflective dc?18 ghz features broadband dc?18 ghz high isolation, low loss, fast switching 100% on-wafer rf and dc testing 100% visual inspection to mil-std-883 mt 2010 AS018R2-00 description the AS018R2-00 gaas spdt mmic fet switch chip is ideal for applications requiring low loss, high isolation and/or broadband operation. the gaas mmic employs three shunt and two series fets per arm for low loss, high isolation switching. power consumption is very low, typically 75 a at -5 v. while recommended for operation up to 18 ghz, the switch performs well through 22 ghz. input output 0.000 0.861 1.520 1.443 0.181 0.000 0.865 2.025 2.885 chip outline dimensions indicated in mm. all dc (v) pads are 0.1 x 0.1 mm and rf in, out pads are 0.07 mm wide. chip thickness = 0.1 mm. 2 ghz 10 ghz 18 ghz 2, 10 and 18 ghz parameter 1 typ. typ. typ. min. max. unit insertion loss 2 1.1 2.2 2.2 2.5 db isolation 67 47 42 40 db input return loss 15 8.5 10.5 7 db output return loss 15 8.5 13 4 db electrical specifications at 25c 1. all measurements made in a 50 ? system, unless otherwise specified. 2. insertion loss changes by 0.003 db/c. 3. video feedthru measured with 1 ns risetime pulse and 500 mhz bandwidth. parameter condition frequency min. typ. max. unit switching characteristics rise, fall (10/90% or 90/10% rf) 1 s on, off (50% ctl to 90/10% rf) 1 s video feedthru 3 20 mv input power for 1 db compression 0/-5 v 0.5?18 ghz 24 dbm 0.001 ghz 16 dbm intermodulation intercept point (ip3) for two-tone input power 13 dbm 0.5?18 ghz 46 dbm 0.001 ghz 35 dbm control voltages v low = 0 to -0.2 v @ 20 a max. v high = -3 v to -6 v @ 250 a max. operating characteristics at 25c
gaas ic spdt switch reflective dc?18 ghz AS018R2-00 2 alpha industries, inc. [978] 241-7000 ? fax [978] 241-7906 ? email sales@alphaind.com ? www.alphaind.com specifications subject to change without notice. 3/02a insertion loss and isolation vs. frequency frequency (ghz) -6 -7 -8 2 0 4 6 8 10 12 14 16 18 20 22 24 26 -5 -4 -3 -2 -1 insertion loss (db) 0 -60 -70 -80 -50 -40 -30 -20 -10 0 isolation (db) return loss vs. frequency frequency (ghz) -20 -25 -30 2 0 4 6 8 10 12 14 16 18 20 22 24 26 -15 -10 -5 input return loss (db) 0 typical performance data j 1 j 2 v 1 v 2 j 3 circuit schematic input output j 1 v 1 v 2 j 3 j 2 chip layout truth table characteristic value rf input power (rf in) 1 w control voltage (v c ) +0.2 v, -7 v operating temperature (t op ) -40c to +90c storage temperature (t st ) -65c to +150c thermal resistance ( jc ) 83c/w absolute maximum ratings v 1 v 2 j 1 ?j 2 j 1 ?j 3 0 -5 isolation low loss -5 0 low loss isolation
|
