UMIL 3 3 Watts, 28 Volts, Class AB Defcom 225 - 400 MHz GENERAL DESCRIPTION CASE OUTLINE The UMIL3 is a COMMON EMITTER broadband transistor specifically intended for use in the 225-400 MHz frequency band. It may be operated in Class AB or C. Gold metallization and silicon diffused resistors ensure ruggedness and high reliability. 55FT, Style 2 ABSOLUTE MAXIMUM RATINGS Maximum Power Dissipation @ 25oC 11 Watts Maximum Voltage and Current BVces Collector to Emiter Voltage BVebo Emitter to Base Voltage Ic Collector Current Maximum Temperatures Storage Temperature Operating Junction Temperature 55 Volts 4.0 Volts 0.7 A - 65 to +150 oC +150 oC ELECTRICAL CHARACTERISTICS @ 25 OC SYMBOL CHARACTERISTICS TEST CONDITIONS Pout Pin Pg ηc VSWR Power Output Power Input Power Gain Efficiency Load Mismatch Tolerance F = 400 MHz Vcc = 28 Volts BVebo BVces BVceo Cob hFE θjc Emitter to Base Breakdown Collector to Emitter Breakdown Collector to Emitter Breakdown Output Capacitance DC - Current Gain Thermal Resistance MIN TYP MAX 3 0.2 11.8 13 60 UNITS Watts Watts dB % 30:1 Ie = 5 mA Ic = 20 mA Ie = 50 mA Vcb = 28 V, F = 1 MHz Vce = 5 V, Ic = 100 A 4.0 55 30 10 4.5 45 Volts Volts Volts pF 150 16 o C/W Issue August 1996 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 UMIL3 August 1996