alpha industries, inc. [781] 935-5150 ? fax [617] 824-4579 ? email sales@alphaind.com ? www.alphaind.com 1 specifications subject to change without notice. 7/00a gaas ic spdt switch non-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 AS018M2-00 description the AS018M2-00 gaas spdt matched 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 together with a 50 ? load which is switched into the high isolation arm for low return loss. 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. 0.000 1.375 0.648 1.444 2.240 2.885 0.145 2.055 0.827 1.520 0.839 0.000 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 1.5 2.8 2.2 3.0 db isolation 82 57 50 48 db input return loss 17 8.5 12.5 7 db output return loss 16 10.5 16 9 db electrical specifications at 25c 1. all measurements made in a 50 ? system, unless otherwise specified. 2. insertion loss changes 0.003 db/ c. 3. video feedthru measured with 1 ns risetime pulse and 500 mhz bandwidth. parameter 1 condition frequency min. typ. max. unit switching characteristics rise, fall (10/90% or 90/10% rf) 3 ns on, off (50% ctl to 90/10% rf) 6 ns 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 non-reflective dc?18 ghz AS018M2-00 2 alpha industries, inc. [781] 935-5150 ? fax [617] 824-4579 ? email sales@alphaind.com ? www.alphaind.com specifications subject to change without notice. 7/00a insertion loss and isolation vs. frequency frequency (ghz) -9 -10 02468101214161820222426 -8 -7 -6 -5 -4 -3 -2 -1 insertion loss (db) 0 isolation (db) -90 -100 -80 -70 -60 -50 -40 -30 -20 -10 0 return loss vs. frequency frequency (ghz) -25 -30 02468101214161820222426 -20 -15 -10 -5 input return loss (db) output return loss (db) 0 -25 -30 -20 -15 -10 -5 0 typical performance data truth table v 1 v 2 v 3 v 4 j 1 ? j 2 j 1 ? j 3 0 -5 0 -5 low loss isolation -5 0 -5 0 isolation low loss v 1 j 1 v 4 v 3 v 2 j 3 j 2 chip layout v 1 v 4 v 2 v 3 j 1 j 2 j 3 50 ? 50 ? circuit schematic characteristic value rf input power (rf in) 1 w control voltage (v c ) +0.2 v, -7 v operating temperature (t op ) -55 c to +125 c storage temperature (t st ) -65 c to +150 c thermal resistance ( jc )83 c/w absolute maximum ratings
|
