legend + 25 oc + 85 oc - - - - - - -40 oc rf amplifier model QBS-158 available as: QBS-158, housing (e52-19250) specifications maximum ratings ambient operating temperature ................ -40 oc to +85 oc storage temperature .............................. -55 oc to + 125 oc case temperature ................................................. + 125 oc dc voltage ......................................................... + 28 volts continuous rf input power ................................. + 13 dbm short term rf input power ...... 50 milliwatts (1 minute max.) maximum peak power .................... 0.5 watt (3 sec max.) features high gain: 21.5 db typical high power: +33 dbm typical operating temp. - 40 oc to + 85 oc environmental screening available characteristic typical min/max ta= 25 o c ta = -40 o c to +85 o c frequency 800 - 960 mhz 800 - 960 mhz power vdc 14-28 14-28 ma 790 noise figure (db) 2.5 3.0 max. vswr in 1.5:1 1.5:1 max. out 1.5:1 1.5:1 max. reverse isolation (db) 24 gain (db) 21.5 0.5 gain flatness 1.0 1.0 max. output intercept point 3rd order +50 +50 min. 2nd order gain vs. temperature +0.5/ -0.2 max. 1 db compression (dbm) +33 +33 min. typical performance data 03/11/05 note: 1. specifications are guaranteed when tested in a 50 ohm system. specifica- tions indicated as typical are not guaranteed. linear s-parameters data freq. ? ? s11? ? ? ? s21? ? ? ? s12? ? ? ? s22? ? mhz ang db ang db ang db ang db 800 840 880 920 960 -17.1 -27.0 -20.9 -19.5 -15.1 12.0 -74.8 179.8 158.2 -159.8 21.2 21.0 21.1 21.4 22.0 79.7 51.4 21.9 -9.8 -47.8 -29.5 -28.8 -28.4 -27.7 -26.7 16.9 -11.5 -40.8 -71.3 -108.6 -20.1 -18.6 -17.9 -18.5 -22.2 14.1 4.0 -12.7 -37.9 -96.6 ================================================================== 18 21 20 22 19 24 23 800 840 920 960 -70 -40 -50 -30 -60 -10 -20 1.0 2.0 3.0 4.0 1.0 1.6 1.4 1.8 1.2 2.2 2.0 48 54 52 56 50 60 58 gain (db) reverse isolation (db) 1 db comp. (dbm) input/output vswr +25 oc 3rd order intermodulation distortion (dbm ) noise figure (db) input output 880 800 840 920 960 880 800 840 920 960 880 800 840 920 960 880 800 840 920 960 880 33 34 35 36 800 840 920 960 880 spectrum microwave 2144 franklin drive n.e. palm bay, florida 32905 ph (888) 553-7531 fax (888) 553-7532 spectrum microwave (europe) 2707 black lake place philadelphia, pa. 19154 ph (215) 464-4000 fax (215) 464-4001 www.spectrummicrowave.com
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