hws 499 gaas dc - 4 ghz dpdt switch july 2011 v3 hexawave inc. 2 prosperity road ii, science park, hsinchu, taiwan. tel 886 - 3 - 57 8 - 5100 fax 886 - 3 - 577 - 0512 http://www.hw.com.tw all specifications are subject to change without notice. features low insertion loss: 0. 9 db @ 2.50 ghz 1.0 db @ 3.5 ghz isolation: 2 2 db @ 2.50 ghz 20 db @ 3.5ghz low d c power consumption miniature qfn12l (3x3 mm) using lead (pb) free materials with rohs compliant phemt process description the hws 499 is a gaas phemt mmic dpdt switch operating at dc - 4 gh z in a low cost miniature qfn12l (3 x 3 mm) plastic lead (pb) free package. the hws 499 features low insertion loss and high isolation with very low dc power consumption. t his switch can be used in wimax or ieee 802.11b/g wlan systems for combination of tra nsmit/receive and antenna diversity functions. qfn12l (3 x 3 mm) electrical specifications at 25c with 0, +3v control voltages parameter test conditions min. typ. max. unit insertion loss 2.30 - 2.70 ghz 3.30 - 3.90ghz 0.9 1.0 1. 1 1.3 db db isolation ( on - off or off - on) 2.30 - 2.70 ghz 3.30 - 3.90 ghz 20.0 17.0 2 2 20 db db input power for 1 db compression 2.00 - 4.00 ghz @+3v @+5v 36 38 dbm dbm control current 5 200 u a note: all measurements made in a 50 ohm system with 0/+3.0v control voltage s, unless otherwise specified.
hws 499 gaas dc - 4 ghz dpdt switch july 2011 v3 hexawave inc. 2 prosperity road ii, science park, hsinchu, taiwan. tel 886 - 3 - 578 - 5100 fax 886 - 3 - 577 - 0512 http://www.hw.com.tw all specifications are subject to change without notice. typical performance data with 8pf capacitors @ +25c insertion loss vs frequency -2.0 -1.6 -1.2 -0.8 -0.4 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 frequency(ghz) insertion loss(db) ` isolation vs frequency -40 -35 -30 -25 -20 -15 -10 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 frequency(ghz) isolation(db) return loss vs frequency -40 -35 -30 -25 -20 -15 -10 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 frequency(ghz) return loss(db) absolute maximum ratings parameter absolute maximum rf input power +36 dbm @ + 3v control voltage +6v operating temperature - 40 c to +85c storage temperature - 65c to +150c pin out (top view) note: 1. dc blocking capacitors c b =8pf are required on all rf ports. 2. exposed pad in the bottom must be connected to ground b y via holes. 3. tx and rx ports can be used interchangeably. logic table for switch on - path vc1 vc 2 ant1 - rx ant1 - tx ant2 - tx ant2 - rx 1 0 on off on off 0 1 off on off on 1 1 off off off off 0 0 off off off off ?1? = +3v to +5v ? 0 ? = 0 v to + 0.2 v vc1 gnd 3 2 1 4 5 6 7 8 9 10 11 12 gnd gnd gnd c b rx vc2 gnd ant2 c b tx c b gnd c b ant1
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