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