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| 2931-150R3 2931-150 150 Watts, 38 Volts, 50s, 4% Radar 2900-3100 MHz Preliminary GENERAL DESCRIPTION The 2931-150 is an internally matched, COMMON BASE bipolar transistor capable of providing 150 Watts of pulsed RF output power at 50s pulse width, 4% duty factor across the 2900 to 3100 MHz band. The transistor prematch and test fixture has been optimized through the use of Pulsed Automated Load Pull. This hermetic ceramic sealed transistor is specifically designed for S-band radar applications. It utilizes gold metallization and emitter ballasting to provide high reliability and supreme ruggedness. CASE OUTLINE 55KS-1 Common Base ABSOLUTE MAXIMUM RATINGS Maximum Power Dissipation Device Dissipation @ 25C1 500 W Maximum Voltage and Current Collector to Base Voltage (BVces) 65 Emitter to Base Voltage (BVebo) 3.0 Collector Current (Ic) 15.0 Maximum Temperatures Storage Temperature -65 to +200 Operating Junction Temperature +200 V V A C C ELECTRICAL CHARACTERISTICS @ 25C SYMBOL Pout Pin Pg c Rl Pd tr VSWRl CHARACTERISTICS Power Output Power Input Power Gain Collector Efficiency Return Loss Pulse Droop Rise Time Load Mismatch Tolerance1 TEST CONDITIONS F=2900-3100 MHz Vcc = 38 Volts Pulse Width = 50 s Duty Factor = 4 % MIN 150 21.7 8.3 45 7 8.7 50 0.6 150 2:1 TYP MAX UNITS W W dB % dB dB nS F = 3100 MHz, Po = 150W FUNCTIONAL CHARACTERISTICS @ 25C BVebo BVces hFE jc1 NOTE: Emitter to Base Breakdown Collector to Emitter Breakdown DC - Current Gain Thermal Resistance 1. At rated output power and pulse conditions Ie = 30 mA Ic = 120 mA Vce = 5V, Ic = 600 mA 3.0 65 18 V V 60 0.35 C/W Issue 2, April 2005 Advanced Power Technology reserves the right to change, without notice, the specifications and information contained herein. Visit our web site at www.advancedpower.com or contact our factory direct. 2931-150R3 2931-150 Vcc = 38 Volts, Pulse Width = 50s, Duty = 4 % G2754-2, Product is in characterization, additional curves will be inserted at the conclusion. Power Output vs Power Input Power Output[dBm] 53.0 52.5 52.0 51.5 51.0 50.5 50.0 49.5 49.0 48.5 48.0 47.5 47.0 46.5 46.0 45.5 45.0 38 .5 39 .0 39 .5 40 .0 4 0 41. 41. .5 0 5 42 .0 42 .5 43 .0 43 44 44 45 .5 .0 .5 .0 Power Input[dBm] 2.9 GHz 3.0 GHz 3.1 GHz 150W Line 180W Line Impedance curves will be added at the completion of the characterization. Advanced Power Technology reserves the right to change, without notice, the specifications and information contained herein. Visit our web site at www.advancedpower.com or contact our factory direct. 2931-150R3 2931-150 Test Circuit Advanced Power Technology reserves the right to change, without notice, the specifications and information contained herein. Visit our web site at www.advancedpower.com or contact our factory direct. 2931-150R3 2931-150 Advanced Power Technology reserves the right to change, without notice, the specifications and information contained herein. Visit our web site at www.advancedpower.com or contact our factory direct. |
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