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SD1490 - RF & MICROWAVE TRANSISTORS

General Description

The SD1490 is a gold metallized epitaxial silicon NPN planar transistor using diffused emitter ballast resistors for high linearity Class A operation in UHF and Band IV, V television transmitters and transposers.

Table 1.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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SD1490 RF POWER BIPOLAR TRANSISTORS TV/LINEAR APPLICATIONS FEATURES SUMMARY ■ 470 - 860 MHz ■ ■ ■ Figure 1. Package 28 VOLTS CLASS A 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 = 25 W MIN. WITH 9.0 dB GAIN ■ ■ ■ ■ ■ ■ DESCRIPTION The SD1490 is a gold metallized epitaxial silicon NPN planar transistor using diffused emitter ballast resistors for high linearity Class A operation in UHF and Band IV, V television transmitters and transposers. Table 1. Order Codes Order Codes SD1490 Marking SD1490 Package M173 Packaging PLASTIC TRAYS w w w t a .D S a e h Figure 2. Pin Connection U 4 t e .c m o .438 x .