Grid Amplifiers.

Abstract

Quasioptical power combining allows the combining of a large number of devices in free space without the usual transmission line combiner losses. It is a particularly attractive idea at millimeter wavelengths, where the devices can be made as a monolithic integrated circuit. During this contract we demonstrated the following significant 'firsts': (1) Monolithic quasioptical millimeter wave oscillator - 35 GHz; (2) Quasioptical oscillator with significant power 10 W; (3) Large scale quasioptical amplifier - 200 devices; (4) Quasioptical amplifier with significant power-3.8 W; (5) Monolithic millimeter wave quasioptical amplifiers with gain 5 dB at 40 GHz and 50 GHz. The saturated output power of the 40-GHz amplifier is 400 mW.

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Document Details

Document Type
Technical Report
Publication Date
Jul 04, 1995
Accession Number
ADA300131

Entities

People

  • David Rutledge

Organizations

  • California Institute of Technology

Tags

Communities of Interest

  • Advanced Electronics
  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Abstracts
  • Amplifiers
  • Antennas
  • Beam Steering
  • Circuits
  • Contracts
  • Electrical Engineering
  • Frequency
  • Heterojunction Bipolar Transistors
  • High Electron Mobility Transistors
  • Integrated Circuits
  • Jet Propulsion
  • Millimeter Waves
  • Oscillators
  • Terahertz Radiation
  • Transistors
  • Transmission Lines

Fields of Study

  • Physics

Readers

  • Microwave Engineering.

Technology Areas

  • 5G
  • Space