v 2.00 t/r diversity switc h dc - 2.5 ghz sw-923 features l +36 dbm t yp.1 db compression point, 8 v suppl y l two t one ip 3 @ 1 w att ?eac h t one 44 dbm l low insertion loss:0.7 db t ypical l low p ow er consumption:100 ? l low cost ssop20 plastic packa ge description m/a-com's sw-923 is a gaas mmic tr a n s m i t / re c e i v e antenna diversity switch for applications up to 2.5 ghz, with po w er le v els up to 2 watts. the sw-923 is ideally suited for use where very low po w er consumption is required. t ypical applications include trans - mit/receive diversity switching in land mobile and porta b le transceiver applications and other battery po w ered radio equipment. the sw-923 is f a bricated with a monolithic gaas mmic using a mature 1-micron process.the process features full c hip passivation for increased performance and reliability . p arameter t est conditions unit min. t yp. max insertion loss dc ?0.1 ghz db 0.55 0.6 dc ?0.5 ghz db 0.65 0.7 dc ?1.0 ghz db 0.7 0.9 dc ?2.0 ghz db 0.9 1.2 isolation dc ?0.1 ghz db 36 38 dc ?0.5 ghz db 36 38 dc ?1.0 ghz db 32 36 dc ?2.0 ghz db 22 25 vswr dc ?0.1 ghz 1.3:1 dc ?0.5 ghz 1.5:1 dc ?1.0 ghz 1.5:1 dc ?2.0 ghz 2.0:1 tr ise , tfall 10% to 90% rf, 90% to 10% rf ns 5 t on, t off 50% control to 90% rf, 50% control to 10% rf ns 8 tr ansients in band mv 12 one db input p ow er (5 v supply/control) 0.9 ghz dbm 32 compression input p ow er (8 v supply/control) 0.9 ghz dbm 36 ip 3 measured relative (5 v supply/control) 0.9 ghz dbm 61 to input p ow er (8 v supply/control) 0.9 ghz dbm 65 (for two-tone input po w er up to +10 dbm) ssop-20 functional diagram ordering information p art number p acka ge sw-923 pin ssop 20-lead plastic package electrical specifications, t a = +25?
v 2.00 t/r diversity switc h sw-923 absolute maximum ratings 1 t ruth t able "0" = 0 to 0.2 v @ 20 ? max. "1" = +3 v @ 30 ? t yp . to +10 v @ 800 ? max. t ypical performance p arameter absolute maximum max. input p ow er 0.5 ?2.0 ghz 5 v control and supply +37 dbm 8 v control and supply +40 dbm 10 v control and supply +42 dbm pow er dissipation 1.0 w supply v oltage (+v) -1, +12 control v oltage (+v) -1, v supply to 0.2 v operating t emperature -40? to 85? storage t emperature -65? to 150? pin no. description pin no. description 1 +v supply 11 +v supply 2 gnd 12 gnd 3 rf1 13 rf3 4 gnd 14 gnd 5 ctl a 15 ctl b 6 ctl a 16 ctl b 7 gnd 17 gnd 8 rf4 18 rf2 9 gnd 19 gnd 10 gnd 20 gnd control input rf por t a a b b rf1 rf2 rf3 rf4 0 1 0 1 on on off off 0 1 1 0 on off on off 1 0 0 1 off on off on 1 0 1 0 off off on on f1 = 0.9 ghz,f2 = 0.905 ghz input p o wer control 3rd order ip 3 (dbm) (eac h t one) v olta ge intermodulation product (dbc) +24 dbm 0, +5 -32 +40 0, +6 -46 +47 0, +7 -66 +57 0, +8 -66 +57 +25 dbm 0, +5 -28 + 39 0, +6 -38 +44 0, +7 -56 +53 0, +8 -65 +57.5 +26 dbm 0, +5 -25 +38.5 0, +6 -32 +42 0, +7 -46 +49 0, +8 -64 +58 +27 dbm 0, +5 -24 +39 0, +6 -46 +41.5 0, +7 -66 +45 0, +8 -66 +50.5 +28 dbm 0, +8 -40 +48 +29 dbm 0, +8 -34 +46 +30 dbm 0, +8 -28 +44 1.operation of this device abo v e any one of these parameters ma y cause pemanent damage . ip 3 measurements with two t ones pin configuration 1.+v supply voltage = +3 v to +8 v; +control voltage = +3 v to +8 v. 2.the high control voltage must be within ?0.2 v of the supply voltage . 3.the rf ports must be dc bloc k ed outside of the package from ground or any other voltage . insertion loss vs frequency isolation vs frequency vswr vs frequency compression vs control v o l tage (0.9 ghz)
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