skyworks solutions, inc. [978] 241-7000 ? fax [978] 241-7906 ? email sales@skyworksinc.com ? www.skyworksinc.com 1 specifications subject to change without notice. 5/99a parameter condition frequency min. typ. max. unit switching characteristics 5 rise, fall (10/90% or 90/10% rf) 60 ns on, off (50% ctl to 90/10% rf) 100 ns video feedthru 50 mv input power for 1 db compression 0.9 ghz +33 dbm intermodulation intercept point (ip3) for two-tone input power +10 dbm 0.9 ghz +48 dbm control voltages v low = -10.0 v v low 0 v, 500 a, max. v high = 0 v v high +10.0 v, 500 a, max. differential = 5.0 v (v high ? v low ) < 10.0 v gaas ic 2 watt high linearity spdt switch dc?2 ghz features high linearity (48 dbm ip3 @ 0.9 ghz) low insertion loss (0.35 db @ 0.9 ghz) antenna changeover and t/r cellular switch ultra miniature sot-6 lead package sot-6 AS128-73 description the AS128-73 is a fet ic high power spdt switch in a sot-6 plastic package. this switch is designed for use where extremely high linearity, low insertion loss and ultraminiature package size are required. it can be controlled with positive, negative or a combination of both voltages. some standard implementations include antenna changeover, t/r and diversity switching over 2 w. the AS128-73 switch can be used in many analog and digital wireless communication systems including cellular applications. parameter 1 frequency 2 min. typ. max. unit insertion loss 3 dc?0.5 ghz 0.3 0.4 db dc?1.0 ghz 0.4 0.6 db dc?2.0 ghz 1.0 1.2 db isolation dc?0.5 ghz 20 23 db dc?1.0 ghz 15 17 db dc?2.0 ghz 8 10 db vswr 4 dc?1.0 ghz 1.4:1 1.5:1 dc?2.0 ghz 1.8:1 2.0:1 electrical specifications at 25c (0, -5 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? operating characteristics at 25c (0, -5 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.
gaas ic 2 watt high li nearity spdt sw itch dc?2 ghz AS128-73 2 skyworks solutions, inc. [978] 241-7000 ? fax [978] 241-7906 ? email sales@skyworksinc.com ? www.skyworksinc.com specifications subject to change without notice. 5/99a 1.0 0.8 0.6 0.4 1.0 2.0 0 frequency (ghz) insertion loss vs. frequency db dc 0.2 2.0 1.8 1.6 1.4 1.2 1.0 1.0 2.0 frequency (ghz) vswr vs. frequency dc dc 60 50 40 30 1.0 2.0 10 frequency (ghz) isolation vs. frequency db 20 typical performance data (0, -5 v) c bl c bl v 1 j 1 v 2 j 2 gnd j 3 c bl 12 3 65 4 characteristic value rf input power 6 w max. > 900 mhz, 0/-5 v control control voltage +0.2 v, -10 v operating temperature -40c to +85c storage temperature -65c to +150c jc 25c/w absolute maximum ratings pin out v s 10 k ? c bl c bl v 1 j 1 v 2 j 2 gnd j 3 c bl 12 3 65 4 positive operation dc block components must be supplied externally. c bl = 100 pf for operation >500 mhz. v 1 v 2 j 1 ?j 2 j 1 ?j 3 v low v high isolation insertion loss v high v low insertion loss isolation truth table negative or differential voltage operation 1 positive voltage operation v 1 v 2 j 1 ?j 2 j 1 ?j 3 0v high isolation insertion loss v high 0 insertion loss isolation 1. where supply voltage is limited and for improved high power linearity a larger differential voltage can be obtained by using a positive voltage for v high along with a negative voltage for v low . refer to application notes for further information. v high = +5 to +10 v (v s = v high 0.2 v). negative and differential voltages
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