1214-300M rev 4 msc corp., reserves the right to make changes without further notice . msc recommends that before the product(s) d escribed herein are written into specifications, or used in critical applications, that the performance characteristics be verified by contacting the factory. msc corp. 3000 oakmead village drive, santa clara, ca 95051-0808 tel. 408-986-8031 fax 408-869-2324 general description the 1214-300M is an internally matched, common base transistor capable of providing 300 watts of pulsed rf output power at one hundred fifty microseconds pulse width, 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 metalization and nicr emitter ballasting to provide high reliability and supreme ruggedness. case outline 55st, style 1 absolute maximum ratings maximum power dissipation @ 25 o c 600 watts maximum voltage and current bvces collector to emitter voltage 70 volts bvebo emitter to base voltage 3.5 volts ic collector current 20 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 typ max units pout pg ? c rl vswr 1 vswrs power out power gain collector efficiency input return loss load mismatch tolerance load mismatch - stability freq = 1200 C 1400 mhz vcc = 40 volts pin = 40 watts pulse width = 150 s duty factor = 10% 300 8.75 50 10.0 55 400 2:1 1.5:1 watts db % db note 1: pulse condition of 150 sec, 10%. bvces ices ? jc 1 collector to emitter breakdown collector to emitter leakage thermal resistance ic = 80 ma vce = 40 volts rated pulse condition 70 10 0.29 volts ma o c/w 1214C 300m 300 watts - 40 volts, 150 s, 10% radar 1200 - 1400 mhz downloaded from: http:///
1214-300M rev 4 msc corp., reserves the right to make changes without further notice . msc recommends that before the product(s) d escribed herein are written into specifications, or used in critical applications, that the performance characteristics be verified by contacting the factory. msc corp. 3000 oakmead village drive, santa clara, ca 95051-0808 tel. 408-986-8031 fax 408-869-2324 performance curves 1214-300M pin vs. pout 0 50 100 150 200 250 300 350 400 450 500 010203040506070 pin (w) 1200 mhz 1300 mhz 1400 mhz 1214-300M pin vs. efficency 0.0 10.0 20.0 30.0 40.0 50.0 60.0 70.0 0 10203040506070 pin (w) eff (%) 1200 mhz 1300 mhz 1400 mhz 1214-300M pin vs. gain 0. 0 1. 0 2. 0 3. 0 4. 0 5. 0 6. 0 7. 0 8. 0 9. 0 10. 0 0 102030 40506070 pin (w) 1200 mhz 1300 mhz 1400 mhz impedance information source impedance -4 -3 -2 -1 0 1 2 1200 1300 1400 frequency zs = rs + jxs rs jxs load im pedance -1 -0.5 0 0.5 1 1.5 1200 1300 1400 frequency zl = rl + jxl rl jxl impedance freq zs zl 1200 1.32-j2.82 1.03-j0.75 1300 1.28-j2.26 0.95-j0.41 1400 1.26-j1.78 0.75-j0.00 1214C 300m downloaded from: http:///
1214-300M rev 4 msc corp., reserves the right to make changes without further notice . msc recommends that before the product(s) d escribed herein are written into specifications, or used in critical applications, that the performance characteristics be verified by contacting the factory. msc corp. 3000 oakmead village drive, santa clara, ca 95051-0808 tel. 408-986-8031 fax 408-869-2324 broadband test circuit 1214C 300m downloaded from: http:///
1214-300M rev 4 msc corp., reserves the right to make changes without further notice . msc recommends that before the product(s) d escribed herein are written into specifications, or used in critical applications, that the performance characteristics be verified by contacting the factory. msc corp. 3000 oakmead village drive, santa clara, ca 95051-0808 tel. 408-986-8031 fax 408-869-2324 1214C 300m downloaded from: http:///
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