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| UDR-500 500 Watts - 40 Volts, Pulsed Radar 400 - 450 MHz GENERAL DESCRIPTION The UDR-500 is an internally matched, COMMON EMITTER transistor capable of providing 500 Watts of pulsed RF output power at sixty microseconds pulse width, two percent duty factor across the band 400-450 MHz. This hermetically solder sealed transistor is specifically designed for long pulse radar applications. It utilizes gold metalization and diffused emitter ballasting to provide high reliability and supreme ruggedness. CASE OUTLINE 55JV, STYLE 2 ABSOLUTE MAXIMUM RATINGS Maximum Power Dissipation @ 25oC Maximum Voltage and Current BVces Collector to Emitter Voltage BVebo Emitter to Base Voltage Ic Collector Current Maximum Temperatures Storage Temperature Operating Junction Temperature 1167 Watts 60 Volts 4.0 Volts 35 Amps - 65 to + 200 oC + 200 oC ELECTRICAL CHARACTERISTICS @ 25 OC SYMBOL Pout Pin Pg CHARACTERISTICS Power Out Power Input Power Gain Collector Efficiency Load Mismatch Tolerance TEST CONDITIONS F = 450 MHz Vcc = 40 Volts Pulse Width = 60 s Duty = 2% Rated Conditions MIN 500 8.5 60 5:1 TYP 535 70 MAX UNITS Watts Watts dB % c VSWR BVces BVceo BVebo Hfe Cob jc Collector to Emitter Breakdown Collector to Emitter Breakdown Emitter to Base Breakdown DC Current Gain Output Capacitance Thermal Resistance Ic = 50 mA Ic = 30 mA Ie = 20 mA Vce =5 V, Ic =1A Vcb = 40V, F =1 MHz Rated Pulse Condition 70 30 4.0 20 60 0.15 Volts Volts o C/W Initial Issue June, 1994 GHz TECHNOLOGY INC. RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE. GHz 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. GHz Technology Inc. 3000 Oakmead Village Drive, Santa Clara, CA 95051-0808 Tel. 408 / 986-8031 Fax 408 / 986-8120 UDR-500 August 1996 UDR-500 October 1997 R3 L6 R1 L1 C13 L2 C11 l5 l7 L7 C15 C8 l3 l9 1.85" l1 50W B1 1.105" .3" .59" .585" C9 50W C6 C10 l10 C1 l2 C2 C3 Q1 C5 B2 C4 l4 R2 L3 L4 C12 l6 l8 C7 L8 L5 C14 R3 C16 PC BOARD MATERIAL 0.015" TEFLON FIBERGLASS B1, B2=Balun 50W semi-rigid coax 5.1" long l1, l2=25W, .149=.070"W x 2.76"L l3, l4=25W, .132=.070"W x 2.43"L l5, l6=7.3W, .038=.3"W x .6864"L l7, l8=2.7W, .045=.840"W x .8"L l9, l10=25W, .0162=0.70"W x .3"L C1=12pf, ATC "B" (100MIL) C2=6.2pf, ATC "B" (100MIL) C3=5.6pf, Dielectric Labs C4=20pf, ATC "B" (100MIL) C5,C6=.3-3.5pf, Johanson Piston Trimmer C7,C8=5.2pf, ATC "B" (100MIL) C9,C10=180pf, ATC "B" (100MIL) C11,C12,C13,C14=470pf, ATC "B" (100MIL) C15,C16=50mf, 50 WVDC Electrolytic R1,R2=15W, 1/2 watt R3,R4=15W, 1 watt L1,L3=1 1/2 turns #18 AWG on .250 I.D L2,L4=4 turns #16 AWG on Indiana General ferrite toroid #FG27-8 L5,L6=2 mil copper strap .6" x .0625" L7,L8=5 turns #16 AWG on Indiana General ferrite toroid #F624-19 |
Price & Availability of UDR-500
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