parameter test conditions unit min. typ. max insertion loss 0.01 - 0.5 ghz db 1.3 0.01 - 1.0 ghz db 1.7 0.01 - 2.0 ghz db 2.2 isolation 0.01 - 0.5 ghz db 65 0.01 - 1.0 ghz db 60 0.01 - 2.0 ghz db 52 vswr 0.01 - 0.5 ghz 1.3:1 0.01 - 1.0 ghz 1:4:1 0.01 - 2.0 ghz 1:6:1 trise, tfall 10% to 90% rf, 90% to 10% rf ns 5, 20 ton, toff 50% control to 90% rf, 50% control to 10% rf ns 18, 28 transients in band mv 60 1 db compression 0.05 ghz dbm +18 0.5 ?2.0 ghz dbm +25 for two-tone input 0.05 ghz dbm +35 ip 3 power up to +5 dbm 0.5 ?2.0 ghz dbm +44 for two-tone input 0.05 ghz dbm +62 ip 2 power up to +5 dbm 0.5 ?2.0 ghz dbm +75 v cc v 4.5 +5.0 +5.5 i cc v cc = +5 v ma 1 vctl low v 0.0 0.8 vctl high v 2.0 5.0 input leakage low 0 to 0.8 v a 1.0 current high 2.0 to 5.0 v a 1.0 m/a-com, inc. north america: tel. (800) 366-2266 n asia/paci?: tel. +81 (03) 3226-1671 n europe: tel. +44 (1344) 869 595 fax (800) 618-8883 fax +81 (03) 3226-1451 fax +44 (1344) 300 020 speci?ations subject to change without notice. features high isolation: 65 db typ. at 1 ghz vswr: 1.2:1 typ. trise, 5 ns typ. dip package integral ttl driver 50 ohm nominal impedance description m/a-com? SW-128 is a gaas mmic sp4t reflective switch with an integral silicon ttl driver. this device is in a 16-lead dip package. this switch offers high isolation over a wide bandwidth of operation, while maintaining low dc power dissipation. these switches exhibit excellent performance and repeatability from 0.01 ghz to 2.0 ghz. the SW-128 is ideally suited for rf/if communications applications. contact the factory for information about environmental screening. 0.200 (5.1) max 0.120 (3.0) min 0.018 0.005 (0.46 0.13) 16 pins rf1 rf2 rf3 + 1 2 3 4 rf rf4 0.970 0.020 (24.6 0.5) 0.600 (15.2) 0.10 0.02 (2.5 0.5) 0.80 0.02 (20.3 0.5) 0.13 0.02 (3.3 0.5) gaas sp4t re?ctive switch 0.1 - 2 ghz di-5 electrical speci?ations 1 , t a = +25? 1. all speci?ations apply when operated with bias voltages of +5 v for v cc and 50-ohm impedance at all rf ports unless otherwise speci?d. dimensions in ( ) are in mm. weight (approx.): 0.26 ounces 73 grams SW-128 l l l l l l part number package SW-128 pin dual inline v2.00 1
gaas sp4t re?ctive switch SW-128 truth table typical performance absolute maximum ratings 1 1. operation of this device above any one of these parameters may cause permanent damage. parameter absolute maximum max. input power 0.05 ghz +27 dbm 0.5 ?2.0 ghz +34 dbm supply voltages v cc -0.5 v to +7.0 v control voltage -0.5 v to vcc +0.5 v operating temperature -55? to +125? storage temperature -65? to +150? 5 4 3 2 1 0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 frequency (ghz) insertion loss (db) insertion loss vs frequency 80 60 40 20 0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 frequency (ghz) isolation (db) isolation vs frequency +85? -55? +25? frequency (ghz) frequency (ghz) 2.00 1.75 1.50 1.25 1.00 0 0.5 1.0 1.5 2.0 2.5 3.0 frequency (ghz) vswr vswr vs frequency frequency (ghz) condition of switch control inputs rf common to each rf port ctl1 ctl2 ctl3 ctl4 rf1 rf2 rf3 rf4 high low low low on off off off low high low low off on off off low low high low off off on off low low low high off off off on rf-1 - rf-4 rfc m/a-com, inc. north america: tel. (800) 366-2266 n asia/paci?: tel. +81 (03) 3226-1671 n europe: tel. +44 (1344) 869 595 fax (800) 618-8883 fax +81 (03) 3226-1451 fax +44 (1344) 300 020 speci?ations subject to change without notice. v2.00 2
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