A SOLID-STATE INTERMEDIATE POWER AMPLIFIER FOR PROPOSED RADIO RELAYSYSTEM AN/GRC-103

Abstract

The development is presented of a solid-state UHF power amplifier capable of delivering RF power output of two watts to the final stage of the AN/GRC-103 transmitter, covering the range of 220 mc - 700 mc. The circuit used comprised both a transistor driver operating in the 87.5 - 175 mc range and varactor multipliers. A double was used for the 220 - 350 mc band, and a quadrupler for the 350 - 700 mc band. The goal of two watts power output is achieved in the lower band with a double efficiency of better than 50%. The quadrupler efficiency is 25%, but the required drive power of 8 watts for a 2-watt output could not be developed at 175 mc using available transistors. Coupling networks were individually tuned for maximum over-all efficiency. (Author)

Document Details

Document Type
Technical Report
Publication Date
Sep 15, 1962
Accession Number
AD0285193

Entities

People

  • A. Newton
  • S. Kallus

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Amplifiers
  • Couplings
  • Coverings
  • Efficiency
  • Electronic Amplifier
  • Electronic Equipment
  • Electronics
  • Power
  • Power Amplifiers
  • Radio Frequency Power
  • Semiconductor Devices
  • Solid State Electronics
  • Transistors
  • Transmitters

Fields of Study

  • Physics

Readers

  • Electronics Engineering