legend + 25 oc typical intermodulation performance at 25 o c second order two tone intercept point ........ +68 dbm (typ.) third order two tone intercept point ............ +42 dbm (typ.) power vdc +24 +24 ma 245 260 max. rf amplifier model QBH-2818 features ! ! ! ! ! high output power: +30 dbm typical ! ! ! ! ! high third order intercept: +42 dbm typical characteristic typical min/max ta= 25 oc ta = +25 oc frequency .35 - 400 mhz .35 - 400 mhz 3. care should always be taken to effectively ground the case of each unit. noise figure (db) ( f=200 mhz) 5.0 6.0 max. vswr in 1.75:1 2.0:1 max. out 1.75:1 2.0:1 max. reverse isolation (db) -23 -21 max. ( f=200 mhz) (dbm) 30 29 min. gain (db) ( f=50 mhz) 18.5 17.75 min. specifications typical performance data absolute maximum ratings ambient operating temperature ................ -20oc to +100 oc storage temperature ................................. -40oc to +100 oc case temperature .................................................. +100 oc dc voltage .......................................................... +28 volts continuous rf input power .................................. +14 dbm rev. 11/7/07 2. specifications are guaranteed when tested in a 50 ohm system. specifications indicated as typical are not guaranteed. notes: 1. maximum operating temperature is defined as that temperature which, if exceeded for extended periods, could result in premature unit failure. this data is provided for user reliability information. this may or may not represent the maximum temperature for electrical parameter specifications. spectrum microwave 2144 franklin drive n.e. palm bay, florida 32905 ph (888) 553-7531 fax (888) 553-7532 spectrum microwave 2707 black lake place philadelphia, pennsylvania 19154 ph (215) 464-4000 fax (215) 464-4001 www.spectrummicrowave.com available as: QBH-2818 (400-22678-0001) power @ 1 db comp.
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