MODE CONVERSION METHODS FOR STRIP TRANSMISSION LINE NON-RECIPROCAL DEVICES.

Abstract

The electromagnetic field requirements for obtaining non-reciprocity with ferrites in TEM-mode strip transmission lines are briefly discussed. The devices discussed use electron spin resonance for obtaining non-reciprocity. The requirement for circular polarization is pointed out and three simple linear-to-circular polarization conversion methods are developed. Test of the three circuits is described and the results from 8 to 12.4Gc. are presented in detail. It is concluded that moderate isolation is attainable over at least octave bandwidths and good isolation (greater than 20 db.) is attainable over at least 10-percent bandwidths. Recommendations for future investigations are included. (Author)

Document Details

Document Type
Technical Report
Publication Date
Mar 01, 1967
Accession Number
AD0651798

Entities

People

  • Donald W. Lambrecht

Organizations

  • Air Force Institute of Technology

Tags

DTIC Thesaurus Topics

  • Bandwidth
  • Circular Polarization
  • Conversion
  • Electromagnetic Fields
  • Electron Spin Resonance
  • Magnetic Resonance
  • Polarization
  • Resonance
  • Spin Resonance
  • Strip Transmission Lines
  • Transmission Lines

Fields of Study

  • Physics

Readers

  • Microwave Engineering.
  • Systems Analysis and Design

Technology Areas

  • Microelectronics