alpha industries, inc. [781] 935-5150 ? fax [617] 824-4579 ? email sales@alphaind.com ? www.alphaind.com 1 specifications subject to change without notice. 11/99a phemt gaas ic spdt switch dc?2.5 ghz features p 1 db +30 dbm typical @ +3 v ip3 43 dbm typical @ +3 v low insertion loss (0.3 db @ 0.9 ghz) low dc power consumption ultra miniature low cost sot-6 plastic package phemt process AS174-73 description the AS174-73 is an ic fet spdt switch in a low cost sot-6 plastic package. the AS174-73 features low insertion loss and positive voltage operation with very low dc power consumption. this general purpose switch can be used in a variety of telecommunications applications. parameter 1 frequency 2 min. typ. max. unit insertion loss 3 dc-1.0 ghz 0.3 0.4 db dc-2.5 ghz 0.4 0.5 db isolation dc-1.0 ghz 23 25 db dc-2.5 ghz 22 24 db vswr 4 dc-2.5 ghz 1.4:1 1.8:1 electrical specifications at 25c (0, +3 v) 0.074 (1.90 mm ref.) 0.071 (1.80 mm) 0.052 (1.30 mm) 0.037 (0.95 mm) ref. 0.122 (3.10 mm) 0.106 (2.70 mm) 0.006 (0.15 mm) 0.000 (0.00 mm) 0.057 (1.45 mm) 0.035 (0.90 mm) 0.020 (0.51 mm) 0.014 (0.350 mm) 0.126 (3.20 mm) 0.087 (2.20 mm) pin 6 pin 1 pin 1 indicator 0.022 (0.61 mm) 0.004 (0.10 mm) 0.014 (0.26 mm) 0.004 (0.10 mm) 0.012 (0.30 mm) typ. 5.0? ?1? 5.0? ?1? sot-6 parameter condition frequency min. typ. max. unit switching characteristics 5 rise, fall (10/90% or 90/10% rf) 10 ns on, off (50% ctl to 90/10% rf) 20 ns video feedthru 25 mv input power for 1 db compression 0/+3 v 0.5?.5 ghz +30 dbm 0/+5 v 0.5?.5 ghz +34 dbm intermodulation intercept point (ip3) for two-tone input power +5 dbm 0/+3 v 0.5?.5 ghz +43 dbm 0/+5 v 0.5?.5 ghz +50 dbm control voltages v low = 0 to 0.2 v @ 20 ? max. v high = +3 v @ 100 ? max. to +5 v @ 200 ? max. operating characteristics at 25c (0, +3 v) 1. all measurements made in a 50 ? 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.
phemt gaas ic spdt switch dc?2.5 ghz AS174-73 2 alpha industries, inc. [781] 935-5150 ? fax [617] 824-4579 ? email sales@alphaind.com ? www.alphaind.com specifications subject to change without notice. 11/99a v 1 v 2 j 1 ?j 2 j 1 ?j 3 0v high isolation insertion loss v high 0 insertion loss isolation truth table v high = +3 to +5 v. pin out 12 3 65 4 j 1 gnd j 3 c bl c bl c bl j 2 v 2 v 1 typical performance data (0, +3 v) insertion loss vs. frequency frequency (ghz) insertion loss (db) 0.0 0.2 0.4 0.6 0.8 1.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 vswr vs. frequency frequency (ghz) vswr 1.0 1.2 1.4 1.6 1.8 2.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 isolation vs. frequency frequency (ghz) isolation (db) 10 15 20 25 30 35 40 45 50 0.0 0.5 1.0 1.5 2.0 2.5 3.0 characteristic value rf input power 6 w > 500 mhz 0/+7 v control control voltage -0.2 v, +8 v operating temperature -40 c to +85 c storage temperature -65 c to +150 c jc 25 c/w absolute maximum ratings dc blocking capacitors (c bl ) must be supplied externally for positive voltage operation. c bl = 100 pf for operation >500 mhz.
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