DESCRIPTION

The SD1489 is a gold metallized epitaxial silicon NPN planar transistor using diffused emitter ballast resistors for high linearity Class AB operation in UHF and Band IV, V television transmitters and transposers.

■ 470 - 860 MHz

■ 28 VOLTS

■ CLASS AB PUSH PULL

■ DESIGNED FOR HIGH POWER LINEAR OPERATION

■ HIGH SATURATED POWER CAPABILITY

■ GOLD METALLIZATION

■ DIFFUSED EMITTER BALLAST RESISTORS

■ COMMON EMITTER CONFIGURATION

■ INTERNAL INPUT MATCHING

■ POUT = 50 W MIN. WITH 6.5 dB GAIN