High Power Combining of Ka-Band TWTs for Deep Space Communications

Abstract

This paper presents the results of a high efficiency power combining demonstration of two 100 W Ka-band space TWTs using a 4-port magic-T hybrid junction-based waveguide circuit. Power combining efficiencies of about 90% over a 1 GHz frequency band centered at 32.05 GHz and a high data transmission rate of 622 Mbps were successfully demonstrated.

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Document Details

Document Type
Technical Report
Publication Date
Apr 01, 2006
Accession Number
ADP022446

Entities

People

  • E. G. Wintucky
  • G. G. Lesny
  • J. L. Glass
  • K. R. Vaden
  • R. N. Simons

Organizations

  • National Aeronautics and Space Administration

Tags

Communities of Interest

  • Advanced Electronics
  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Bandwidth
  • Broadband Communications
  • Carrier Frequencies
  • Computer-Aided Design
  • Data Transmission
  • Deep Space
  • Efficiency
  • Electronics
  • Electrons
  • Frequency
  • Frequency Bands
  • Ka Band
  • Space Communications
  • Technical Information Centers
  • Traveling Wave Tubes
  • Traveling Waves
  • Vacuum Electronics

Readers

  • Electronics Engineering
  • Microwave Engineering.
  • Radio communications and signal processing.

Technology Areas

  • Space