Bipolar and F.E.T. Power Amplifier for a 2.6 GHz Community Television Transponder
1978
This paper describes the'design of 2.6 GHz, high gain, high power transistor amplifiers for use in a satellite transponder for a community television and radio broadcast service. Two power amplifiers are described: * A Class `c' television channel amplifier using four internally matched bipolar transistors, generating 50 W output power. * A linear amplifier for transmission of 20 FM sound carriers, which uses four paralleled FET's to provide the 10 W of output power with low intermodulation product levels. Both amplifiers are designed to operate in geosynchronous orbit following a Thor/Delta, Ariane, or Shuttle launch.
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