1214-370MR4 1214 – 370M . 370 Watts - 50 Volts, 330 µs, 10% Radar 1200 - 1400 MHz 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 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 metallization and diffused emitter ballasting to provide high reliability and supreme ruggedness. CASE OUTLINE 55ST, STYLE 1 ABSOLUTE MAXIMUM RATINGS Maximum Power Dissipation @ 25oC1 600 Watts Maximum Voltage and Current BVces Collector to Emitter Voltage BVebo Emitter to Base Voltage Ic Collector Current Maximum Temperatures Storage Temperature Operating Junction Temperature 75 Volts 3.0 Volts 25 Amps - 65 to + 200oC + 200oC ELECTRICAL CHARACTERISTICS @ 25 O C SYMBOL CHARACTERISTICS Pout Power Out (Note 2) Pulsed Pg ηc Pd VSWR1 Power Gain Collector Efficiency Pulse Amplitude Droop Load Mismatch Tolerance TEST CONDITIONS MIN F = 1200-1400 MHz Vcc = 50 Volts, Pulse Width = 330 µs Duty = 10 % As above F = 1400MHz, Po =370W 370 Ic = 40 mA Vce = 50 Volts Veb = 3.0 Volts Vce = 5 V, Ic = 5 A Rated Pulse Condition 75 8.7 50 TYP MAX 460 UNITS Watts 9.0 dB % dB 0.5 2:1 ** Design Target Bvces Ices Iebo Hfe θ jc1 Collector to Emitter Breakdown Collector to Emitter Leakage Emitter to Base Leakage Current DC Current Gain Thermal Resistance 10 5 10 Volts mA mA 45 0.29 o C/W Issue April 2005 Note 1: Pulse width = 330 us, duty = 10% Note 2: Power Input = 50 Watts Peak Pulsed 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 1214-370MR4 1214-370M . Performance Curves 1214-370M Efficiency vs Power Input 1214-370M Power Out vs Pin 80 70 400 60 1200 MHz 50 1300 MHz 40 1400 MHz Power Output 350 300 Pout 1200 MHz 250 Pout 1300 MHz 200 Pout 1400 MHz 150 100 Efficiency - % 450 30 20 10 50 0 0 25 25 35 40 50 63 35 40 50 63 Power Input - Watts Power Input 1214-370M Power Gain vs Power Input 10 Power Gain - dB 9.5 1200 MHz 9 1300 MHz 8.5 1400 MHz 8 7.5 7 25 35 40 50 63 Power Input - Watts Impedance Information Input Matching Circuit Output Matching Circuit 50 Ohms 50 Ohms ZSource Freq 1200 1300 1400 Impedance Zl Zs 1.75-j2.23 1.52-j2.11 1.75-j1.63 1.36-j1.97 1.76-j1.19 1.13-j1.77 ZL o a d Board Material RT 6010.5 LM 25 Mil TRL Measurement 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 1214-370MR4 1214-370M Broadband Test Fixture 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 1214-370MR4 1214-370M 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