0204-125 125 Watts, 28 Volts, Class AB Defcom 225 - 400 MHz CASE OUTLINE GENERAL DESCRIPTION 55JT- Style 2 The 0204-125 is a double input matched 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. ABSOLUTE MAXIMUM RATINGS Maximum Power Dissipation @ 25oC 270 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 65 Volts 4.0 Volts 16.0 A - 65 to +150 oC +200 oC ELECTRICAL CHARACTERISTICS @ 25 OC SYMBOL CHARACTERISTICS TEST CONDITIONS MIN Pout Pin Pg c VSWR Power Output Power Input Power Gain Efficiency Load Mismatch Tolerance F = 400 MHz Vcc = 28 Volts 125 BVebo2 BVces2 BVceo2 Cob2 hFE2 jc Emitter to Base Breakdown Collector to Emitter Breakdown Collector to Emitter Breakdown Output Capacitance DC - Current Gain Thermal Resistance TYP MAX 25 7.0 8.5 60 UNITS Watts Watts dB % 5:1 Ie = 10 mA Ic = 100 mA Ie = 100 mA Vcb = 28 V, F = 1 MHz Vce = 5 V, Ic = 1 A 4.0 60 32 Volts Volts Volts pF 70 20 100 0.65 o C/W Note 2: Per side 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 0204-125 0204-125 R1 L9 L7 L5 C6 L1 C1 Zo=50W L13 L3 Zo=50W RF INPUT C3 C2 + C4 L14 L4 Q1 C11 C5 RF C8 OUT C9 L2 C10 L6 C12 C7 L8 R2 CAPACITORS C1,C2=39pF ceramic chip capacitor C3=33pF ceramic chip capacitor C4=56pF ceramic chip capacitor C5=18pF ceramic chip capacitor C6,C7,C8=27pF ceramic chip capacitor C9=0.1mF ceramic capacitor C10=10mF electrolytic capacitor C11,C12=.5-10pF Johanson August 1996 L12 INDUCTORS L1,L2,L3,L4,L5,L6,L7,L8=printed on the circuit board L9,L12=4.7mH RF choke L10,L11,L13,L14=0.1mH RF choke RESISTORS R1,R2=10 OHM, 1/4 W TRANSISTOR Q1=0204-125