legend + 25 oc + 71 oc - - - - - - -54 oc rf amplifier model QB-300 available as: QB-300, housing (e52-0182) specifications maximum ratings ambient operating temperature ................. -54oc to +71 oc storage temperature ............................... -62oc to + 125 oc case temperature ................................................. + 125 oc dc voltage ......................................................... + 24 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.) characteristic typical min/max ta= 25 o c ta = -54 o c to +71 o c frequency 1 - 300 mhz 1 - 300 mhz power vdc +20 ma 154 noise figure (db) 3.8 vswr in 1.5:1 out 1.5:1 reverse isolation (db) -36 gain (db) 24.5 gain flatness 1.0 output intercept point 3rd order +37 2nd order +52 gain vs. temperature +0.5/ -0.6 max. 1 db compression (dbm) +22 1.0 typical performance data note: 1. specifications are guaranteed when tested in a 50 ohm system. specifica- tions indicated as typical are not guaranteed. 03/11/05 features high gain: 24.5 db typical high power: +22 dbm typical operating temp. - 54 oc to + 71 oc environmental screening available linear s-parameters data freq. ? ? s11? ? ? ? s21? ? ? ? s12? ? ? ? s22? ? mhz ang db ang db ang db ang db 1 60 90 120 180 210 240 270 300 -24.6 -24.8 -25.0 -24.8 -22.5 -21.2 -19.9 -18.6 -17.1 31.5 -2.0 0.6 4.6 5.1 2.2 -2.0 -7.0 -15.6 24.1 24.2 24.2 24.1 24.1 24.2 21.2 24.3 24.3 11.5 -57.2 -85.5 -113.8 -171.4 159.5 129.8 99.2 67.9 -51.0 -49.3 -47.4 -46.4 -43.2 -43.1 -42.6 -41.0 -40.5 170.0 177.9 142.9 147.7 105.0 72.5 57.5 40.0 15.0 -19.2 -29.6 -29.4 -28.6 -25.4 -23.0 -20.4 -17.8 -15.3 89.9 -48.6 -70.8 -93.7 -144.6 -168.9 171.8 155.1 138.1 ================================================================== 22 26 25 23 gain (db) reverse isolation (db) 1 db comp. (dbm) input/output vswr +25 oc 3rd order intermodulation distortion (dbm ) 24 27 -70 -20 -40 -60 -50 -30 -10 1 10 100 mhz 1 9 2 3 21 2 0 2 2 1.4 1.2 1.1 1.3 1.5 39 37 35 36 41 38 5.0 0.0 2.0 1.0 noise figure (db) 1.0 input output 4.0 40 2 4 3.0 1 10 100 mhz 1 10 100 mhz 1 10 100 mhz 1 10 100 mhz 1.6 1 100 1000 mhz 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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