Contextual Info: SGS-THOMSON SD1488 RF & MICROWAVE TRANSISTORS UHF MOBILE APPLICATIONS . . . . • 470 MHz 12.5 VOLTS EFFICIENCY 50% COMMON EMITTER P o u t = 38 W MIN. WITH 5.8 dB GAIN DESCRIPTION The SD1488 is a 12.5 V Class C epitaxial silicon NPN planar transistor designed primarily for broad­