1214 - 370mr4 apt - rf, inc. reserves the right to make changes without further notice. apt - rf recommends that before the product(s) described herein are written into specifications, or used in critical applications, that the performance characteristics be verified by contacting the factory. apt - rf, inc. 3000 oakmead village drive, santa clara, ca 95051 - 0808 tel. 408 - 986 - 8031 fax 408 - 869 - 2324 . general description the 1214 - 370m is an internally matched, common base transistor capable of providing 370 watts of pulsed rf output power at 330 microseconds pulse wi dth, ten percent duty factor across the band 1200 to 1400 mhz. this hermetically solder - sealed transistor is specifically designed for l - band radar applications. it utilizes gold metallization and diffused emitter ballasting to provide high reliability a nd supreme ruggedness. case outline 55st, style 1 absolute maximum ratings maximum power dissipation @ 25 o c 1 600 watts maximum voltage and current bvces collector to emitter voltage 75 volts bvebo emitter to base voltage 3.0 volts ic collector current 25 amps maximum temperatures storage temperature - 65 to + 200 o c operating junction temperature + 200 o c electrical characteristics @ 25 o c symbol characteristics test conditions min t yp max units pout pg h c pd vswr 1 power out (note 2) pulsed power gain collector efficiency pulse amplitude droop load mismatch tolerance f = 1200 - 1400 mhz vcc = 50 volts, pulse width = 330 m s duty = 10 % as above f = 1400mhz, po =370w 370 8.7 50 9.0 460 0.5 2:1 watts db % db ** design target bvces ices iebo hfe q jc 1 collector to emitter breakdown collector to emitter leakage emitter to base leakage current dc current gain thermal resistance ic = 40 ma vce = 50 volts veb = 3.0 volts vce = 5 v, ic = 5 a rated pulse condition 75 10 45 10 5 0.29 volts ma ma o c/w issue april 2005 note 1: pulse width = 330 us, duty = 10% note 2: power input = 50 watts peak pulsed 1214 ? 370m 370 watts - 50 volts, 330 m s, 10% radar 1200 - 1400 mhz downloaded from: http:///
1214 - 370mr4 apt - rf, inc. reserves the right to make changes without further notice. apt - rf recommends that before the product(s) described herein are written into specifications, or used in critical applications, that the performance characteristics be verified by contacting the factory. apt - rf, inc. 3000 oakmead village drive, santa clara, ca 95051 - 0808 tel. 408 - 986 - 8031 fax 408 - 869 - 2324 . 1214 - 370m performance curves 1214-370M power out vs pin 0 50 100 150 200 250 300 350 400 450 25 35 40 50 63 power input power output pout 1200 mhz pout 1300 mhz pout 1400 mhz 1214-370M efficiency vs power input 0 10 20 30 40 50 60 70 80 25 35 40 50 63 power input - watts efficiency - % 1200 mhz 1300 mhz 1400 mhz 1214-370M power gain vs power input 7 7.5 8 8.5 9 9.5 10 25 35 40 50 63 power input - watts power gain - db 1200 mhz 1300 mhz 1400 mhz impedance information output matching circuit input matching circuit 50 ohms 50 ohms z source z load impedance freq zs zl 1200 1.75 - j2.23 1.52 - j2.11 1300 1.75 - j1.63 1.36 - j1.97 1400 1.76 - j1.19 1.13 - j1.77 board material rt 6010.5 lm 25 mil trl measurement downloaded from: http:///
1214 - 370mr4 apt - rf, inc. reserves the right to make changes without further notice. apt - rf recommends that before the product(s) described herein are written into specifications, or used in critical applications, that the performance characteristics be verified by contacting the factory. apt - rf, inc. 3000 oakmead village drive, santa clara, ca 95051 - 0808 tel. 408 - 986 - 8031 fax 408 - 869 - 2324 1214 - 370m broadband test fixture downloaded from: http:///
1214 - 370mr4 apt - rf, inc. reserves the right to make changes without further notice. apt - rf recommends that before the product(s) described herein are written into specifications, or used in critical applications, that the performance characteristics be verified by contacting the factory. apt - rf, inc. 3000 oakmead village drive, santa clara, ca 95051 - 0808 tel. 408 - 986 - 8031 fax 408 - 869 - 2324 1214 - 370m downloaded from: http:///
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