0912-25 GHZTECH | Alldatasheet
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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 0912-25
25 Watts, 50 Volts, Pulsed
The 0912-25 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 capability. Low thermal resistance package reduces junction temperature, extends life. CASE OUTLINE 55CX, STYLE 1 ABSOLUTE MAXIMUM RATINGS Maximum Power Dissipation @ 25 C 125 Wattso2 Maximum Voltage and Current BVces Collector to Base Voltage 60 Volts BVebo Emitter to Base Voltage 4.0 Volts Ic Collector Current 2.5 Amps Maximum Temperatures Storage Temperature - 65 to + 150 C o Operating Junction Temperature + 200 C o ELECTRICAL CHARACTERISTICS @ 25 C O SYMBOL CHARACTERISTICS TEST CONDITIONS MIN TYP MAX UNITS Pout Pin Pg η c VSWR Power Out Power Input Power Gain Collector Efficiency Load Mismatch Tolerance F = 960-1215 MHz Vcc = 50 Volts PW = 10 µsec DF = 1 % F = 1090 MHz 8.5 10 3.5 10:1 Watts Watts dB BVebo BVces Cob h FE θjc2 Emitter to Base Breakdown Collector to Emitter Breakdown Capacitance Collector to Base DC - Current Gain Thermal Resistance Ie = 25 mA Ic = 75 mA Vcb = 50 Volts Ic =300 mA, Vce =5 V 4.0 14 17 1.4 Volts Volts pF C/W o Note 1: At rated output power and pulse conditions. 2: At rated pulse conditions Initial Issue June 1, 1994
C1, C2=Capacitor, .35-3.5 pF piston trimmer C3, C5=Capacitor, 47 pF "B" (100mil) ATC C4= Capacitor, 50 mf 75V electrolytic L1=Inductor, #18 wire 1 1/2 turns 1/4" diameter Q1=GHz 0912-25 Z4 Z5 C4 R1
50 VDC
50 Ohm OutputInput 50 Ohm
PC Board Material .010" Dielectric Teflon Fiberglass Move along Z3 for best tuning