1920CD60 60 Watts PEP, 25 Volts, Class AB CDMA Personal 1930 - 1990 MHz GENERAL DESCRIPTION CASE OUTLINE The 1920CD60 is a COMMON EMITTER transistor capable of providing 60 Watts of Class AB, RF PEP output power over the band 1930-1990 MHz. This transistor is specifically designed for LINEAR PERSONAL (PCS) CDMA COMMUNICATIONS BASE STATION amplifier applications. It includes two stage input and single output prematching. It utilizes Gold metalization and EMITTER ballasting to provide high reliability and supreme ruggedness. 55SW, STYLE 2 COMMON EMITTER ABSOLUTE MAXIMUM RATINGS Maximum Power Dissipation @ 25oC 200 Watts Maximum Voltage and Current BVces Collector to Emitter Voltage BVcer Collector to Emitter Voltage BVebo Emitter to Base Voltage Ic Collector Current 55 Volts 50 Volts 3.5 Volts 20.0 Amps Maximum Temperatures Storage Temperature Operating Junction Temperature - 65 to + 150oC + 200oC ELECTRICAL CHARACTERISTICS @ 25 OC SYMBOL CHARACTERISTICS Pout - 1 dB Pin Rl VSWR1 Power Out - PEP Power Input - PEP Return Loss Collector Efficiency Load Mismatch Tolerance Pg - SS Power Gain - Small Signal ηc TEST CONDITIONS F =1930 - 1990 MHz Vce = 25 Volts Icq = 400 mAmps As Above F = 1930 MHz, CDMA Power Pave = +39 dBm Pout = 20 W PEP MIN TYP MAX UNITS 8.5 10.5 -10 Watt Watt dB % 60 42 44 3:1 8.5 9.0 Vce = 25 V, Pave = +39 dBm Spectral Regrowth SR* Measurement BW = 30 kHz Adjacent Channel Power Ratio CDMA * Spectral Regrowth is measured at 885 kHz offset frequency from reference channel center. BVces BVcer BVebo Ices hFE θjc Collector to Emitter Breakdown Collector to Emitter Breakdown Emitter to Base Breakdown Collector Leakage Current DC - Current Gain Thermal Resistance Ic = 100 mA Ic = 100 mA, Re = 10 Ohms Ie = 25 mA Vce = 27 Volts Vce = 5 V, Ic = 1.5 A Tc = 25oC dB -38 55 50 3.5 20 30 100 .87 dBc Volts Volts Volts mA o C/W Issue B, January 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. Typical Performance July 1997 1920CD60