v 2.00 f e a t u r e s low insertion loss, 0.5 db t y p i c a l m i n i a t u r e relay replacement, 0.250?sq. pkg. fast switching speed, 4 ns t y p i c a l ultra low dc power consumption guaranteed specifications * ( f r om -55? to +85?) f r e q u e n c y range dc - 4 ghz i n s e r tion loss dc-4 ghz 1.2 db max dc-2 ghz 0.8 db max dc-1 ghz 0.7 db max dc-0.5 ghz 0.6 db max v s w r dc-4 ghz 1.8:1 max dc-2 ghz 1.5:1 max dc-1 ghz 1.2:1 max dc-0.5 ghz 1.2:1 max i s o l a t i o n dc-4 ghz 20 db min dc-2 ghz 30 db min dc-1 ghz 40 db min dc-0.5 ghz 50 db min operating characteristics i m p e d a n c e 50 ohms nominal s w i t c hing characteristics ? tr i s e , t f all (10/90% or 90/10% rf) 2 ns t y p ton, toff (50% control to 90/10% rf) 4 ns t y p transients (in-band) 15 mv t y p input power for 1 db compression control voltages (vdc) 0 / - 5 0 / - 8 0.5 to 4 ghz + 2 7 + 3 3 dbm t y p 0.05 ghz + 2 1 + 2 6 dbm t y p intermodulation intercept p o i n t ( f or two-tone input power up to +5 dbm) intercept p o i n t s i p 2 i p 3 0.5 to 4 ghz + 6 8 + 4 8 dbm t y p 0.05 ghz + 6 2 + 4 5 dbm t y p c o n t r ol v o l t a ges (complementary logic) v i n l o w 0 to -0.2 v @ 5 ? max v i n h i -5v @ 10 ? typ to -8v @ 100 ? max e nv i ro n m e n t a l see appendix for mil-std-883 screening option. * all specifications apply with 50 ohm impedance connected to all rf por t s with 0 and -5 vdc control v o l t a g e s . ? faster switching speed can be achieved with enhanced dr i v er wav e fo rm . * * when an rf output is ?o f f it is shorted to ground through an ?o n shunt mesfet. gaas dpdt switc h dc-4 ghz c r - 4 l l l l SW-281 bottom of case is ac ground. dimensions in ( ) are in mm. unless otherwise noted:.xxx = ?.010 (.xx = ?.25) .xx = ?.02 (.x = ?.5) o r dering inf o r m a t i o n model no. p a ck a ge s w -281 pin c e ra m i c
v 2.00 c o n t r ol input condition of switch rf1 to rf6 to a b r f 2 r f 3 r f 4 r f 5 h i l o w o n o f f o n o f f l o w h i o f f o n o f f o n gaas dpdt switc h SW-281 typical p e r fo r m a n c e 2.0 1.5 1.0 0.5 .0 0 1 2 3 4 5 frequency (gh z) 80 70 60 50 40 30 20 0 1 2 3 4 5 frequency (gh z) 2.0 1.8 1.6 1.4 1.2 1.0 0 1 2 3 4 5 frequency (gh z) insertion loss isolation vswr + 85? -55? s ch e m a t i c truth t a bl e * * +25? rf3 gnd gnd rf5 rf2 a b rf4 gnd rf6 gnd gnd gnd rf1 gnd gnd orient a tion t ab
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