0912-7 7 Watts, 50 Volts, Pulsed Avionics 960 - 1215 MHz GENERAL DESCRIPTION The 0912-7 is a COMMON BASE bipolar transistor. It is designed for pulsed systems in the frequency band 960-1215 MHz. The transistor includes input prematch for broadband capability. The device has gold thinfilm metallization for proven highest MTTF. Low thermal resistance package reduces junction temperature, extends life. CASE OUTLINE 55CX, STYLE 1 ABSOLUTE MAXIMUM RATINGS Maximum Power Dissipation @ 25oC2 50 Watts Maximum Voltage and Current BVces Collector to Emitter Voltage BVebo Emitter to Base Voltage Ic Collector Current 60 Volts 4.0 Volts 1.0 Amps Maximum Temperatures Storage Temperature Operating Junction Temperature - 65 to + 150 oC + 200oC ELECTRICAL CHARACTERISTICS @ 25 OC SYMBOL CHARACTERISTICS Pout Pin Pg c VSWR Power Out Power Input Power Gain Collector Efficiency (1090 MHz) Load Mismatch Tolerance BVebo BVces Cob hFE jc 2 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 = 10 mA Ic = 20 mA Vcb = 50 V Ic= 100 mA, Vcc= 5V MIN TYP MAX 7 1 8.5 40 UNITS Watts Watts dB % 10:1 4 60 6.5 10 8 120 3.5 Volts Volts pF o C/W Note1: At Rated Power Output and pulse conditions. 2: At rated pulse conditions Issue A February 20, 1998 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 0912-7 0912-7 0912-7 CIRCUIT C4 C5 50 VDC R1 L1 Z5 C2 Input 50 Ohms Z1 Z2 Q1 C3 Z3 Z4 50 Ohm Output C1 PC Board Material .010" Dielectric Teflon Fiberglass Note: Slide C2 along Z5 for best tuning Z1=50W , .062l , =.027"w X .45"L C3=Capacitor, 47pF ATC Z2=5W , .033l ,=.43"w X .23"L C4=Capacitor, 100 pF ATC Z3=10W , .06l , =.20"w X .40"L C5=Capacitor, 12mfd, 75 VDC, Electrolytic Z4=50W = .027"w X any convenient length L1=Inductor, #18 wire, 1.5" long Z5=50W , .12l , =.027"w X .86"L R1=Resistor, 10KW, 1/4W C1=Capacitor, .35-3.5pF Piston Trimmer Q1=Transistor, GHz 0912-7 C2=Capacitor, 47pF ATC All electrical lengths taken at 1.09 GHz August 1996