characteristic typical min/max ta= 25 oc ta = -55 oc to +85 oc typical intermodulation performance at 25 o c second order harmonic intercept point .......+40 dbm (typ.) second order two tone intercept point ........+35 dbm (typ.) third order two tone intercept point.............+31 dbm (typ.) legend + 25 oc + 85 oc - - - - - - -55 oc power vdc +15 +15 min. ma 30 33 max. rf amplifier model tm7281 available as: tm7281, 4 pin to-8 (t4) tn7281, 4 pin surface mount (sm3) FP7281, 4 pin flatpack (fp4) bx7281,connectorized housing (h1) features high gain: 25.5 db typical low noise figure: 2.4 db typical operating temp. - 55 oc to +85 oc environmental screening available note: care should always be taken to effectively ground the case of each unit. noise figure (db) 2.4 3.3 max. vswr in <1.5:1 2.0:1 max. out <1.75:1 2.0:1 max. reverse isolation (db) -32 -30 max. power @ 1 db comp. (dbm) +17.5 +15.5 min. gain (db) 25.5 23 min. specifications typical performance data maximum ratings ambient operating temperature .............. -55oc to + 100 oc storage temperature ............................... -62oc to + 125 oc case temperature ................................................. + 125 oc dc voltage ......................................................... + 18 volts continuous rf input power ................................. + 10 dbm short term rf input power ...... 50 milliwatts (1 minute max.) maximum peak power .................... 0.5 watt (3 sec max.) 6/30/04 2.0 1.5 1.0 2.0 1.5 1.0 1 3 2 27 25 23 +19 +18 +17 +16 +15 0 - 10 - 20 - 30 - 40 26 24 start 20 mhz stop 250 mhz start 20 mhz stop 250 mhz start 20 mhz stop 250 mh z start 20 mhz stop 250 mh z start 20 mhz stop 250 mhz start 20 mhz stop 250 mhz gain (db) noise figure (db) 1 db comp. (dbm) input vswr output vswr reverse isolation (db) frequency 10-300 mhz 20-250 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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