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| 0912-45 45 Watts, 50 Volts, Pulsed Avionics 960 - 1215 MHz GENERAL DESCRIPTION The 0912-45 is a COMMON BASE bipolar transistor. It is designed for pulsed systems in the frequency band 960-1215 MHz. The device has gold thin-film metallization for proven highest MTTF. The transistor includes input prematch for broadband capacity. Low thermal resistance package reduces junction temperature, extends life. CASE OUTLINE 55CX, STYLE 1 ABSOLUTE MAXIMUM RATINGS Maximum Power Dissipation @ 25oC2 Maximum Voltage and Current BVces Collector to Base Voltage BVebo Emitter to Base Voltage Ic Collector Current Maximum Temperatures Storage Temperature Operating Junction Temperature 225 Watts 60 Volts 4.0 Volts 4.5 Amps - 65 to + 150 oC + 200 oC ELECTRICAL CHARACTERISTICS @ 25 OC SYMBOL Pout Pin 2 Pg 2 c 2 VSWR BVebo BVces Cob hFE CHARACTERISTICS Power Out Power Input Power Gain Collector Efficiency Load Mismatch Tolerance Emitter to Base Breakdown Collector to Emitter Breakdown Capacitance Collector to Base DC - Current Gain Thermal Resistance TEST CONDITIONS F = 960-1215 MHz Vcc = 50 Volts PW = 10 sec DF = 1% F = 1090 MHz Ie = 25 mA Ic = 75 mA Vcb = 50V Ic = 300 mA, Vce = 5 V MIN 45 7.0 8.0 9.0 45 10:1 4.0 60 20 10 0.8 o TYP MAX UNITS Watts Watts dB % Volts Volts pF C/W jc2 Note 1: At rated output power and pulse conditions 2: At rated pulse conditions 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 0912-45 0912-45 0912-45 BROADBAND CIRCUIT C1 C2 50 VDC R1 L1 L2 Input 50 Ohms Z1 Z2 Q1 Z3 Z4 Z5 C7 50 Ohm Output C3 C4 C5 C6 PC Board Material .010" Dielectric Teflon Fiberglass Z1=50W , .08l , = .027"w X .59"L Z2=2.7W, .064l , =.80"w X .44"L Z3=10W , .062l , =.20"w X .443"L Z4=3.7W , .08l , =.55"w X .55"L Z5=50W , .075l , =.027"w X .56"L L1= Inductor #14 wire, 0.7" long L2= Inductor #18 wire, 1.5" long August 1996 C1=Capacitor 100 pF "B" (100mil) ATC C2=Capacitor 68mfd, 75V Electrolytic C3, C4, C5, C6= Capacitor .35-3.5pF Piston Trimmer C4=Capacitor 47pF "B" (100mil) ATC R1= Resistor, 15WK 1/4W Q1=GHz Transistor 0912-45 All electrical lengths taken at 1.09 GHz |
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