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| DME800 800 Watts, 50 Volts Pulsed Avionics 1025 to 1150 MHz GENERAL DESCRIPTION The DME800 is a high power COMMON BASE bipolar transistor. It is designed for pulsed DME systems at 1025 to 1150 MHz, with the pulse width and duty required for DME applications. The device has gold thin-film metalization for proven highest MTTF. The transistor includes input and output prematch for broadband capability. Low thermal resistance package reduces junction temperature, extends life. CASE OUTLINE 55ST-1 (Common Base) ABSOLUTE MAXIMUM RATINGS Maximum Power Dissipation 2500 Device Dissipation @25C1 Maximum Voltage and Current Collector to Base Voltage (BVces) 65 Emitter to Base Voltage (BVebo) 3 Collector Current (Ic) 50 Maximum Temperatures Storage Temperature -65 to +200 Operating Junction Temperature +200 W V V A C C ELECTRICAL CHARACTERISTICS @ 25C SYMBOL Pout Pg c RL Tr Pd VSWR CHARACTERISTICS Power Out Power Gain Collector Efficiency Return Loss Rise Time Pulse Droop Load Mismatch Tolerance 1 TEST CONDITIONS Pulse Width = 10 s, Pin = 100 Watts Vcc = 50 Volts F = 1025-1150 MHz Long Term Duty Factor = 1% MIN 800 9.0 40 -9 TYP MAX 1000 10.0 UNITS W dB % dB 200 0.7 3.0:1 ns dB F = 1025 MHz FUNCTIONAL CHARACTERISTICS @ 25C BVebo BVces hFE jc2 NOTES: Emitter to Base Breakdown Collector to Emitter Breakdown DC - Current Gain Thermal Resistance 1. At rated output power and pulse conditions 2. At rated pulse conditions Ie = 20 mA Ic = 50 mA Vce = 5V, Ic = 600mA 3.5 65 20 0.04 0.06 V V C/W Issued June 2003 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. DME800 Power Output & Efficiency vs. Power Input F=1025 MHz 1400 1200 Power Output (Wpk) 1000 800 600 400 200 0 0 25 50 75 100 125 Power Input (Wpk) 1025 MHz Eff (%) 70.0 60.0 Power Output (Wpk) Power Output & Efficiency vs. Power Input F=1090 MHz 1400 1200 70.0 60.0 Efficiency - % 50.0 40.0 30.0 20.0 10.0 0.0 0 25 50 75 100 125 Power Input (Wpk) 1090 MHz Eff (%) Efficiency - % 50.0 40.0 30.0 20.0 10.0 0.0 1000 800 600 400 200 0 Power Output & Efficiency vs. Power Input F = 1150 MHz 1400 1200 Power Output (Wpk) 1000 800 600 400 200 0 0 25 50 75 100 125 Power Input (Wpk) 1150 MHz Eff (%) 70.0 60.0 Efficiency - % 50.0 40.0 30.0 20.0 10.0 0.0 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. DME800 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. DME800 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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