A HIGH-FIELD HYSTERESIGRAPH

Abstract

An instrument has been designed for the examination of the switching and hysteresis properties of ferrites intended for use in microwave devices of the 'latching' type. The hysteresigraph presents hysteresis loops at audio frequencies, in a form suitable for accurate measurement of magnetization properties. The maximum magnetic field amplitude available is normally about 500 oersteds, which is large compared with the coercive fields of typical materials. Design and performance of the electromagnet, sensing apparatus, and integrating circuits are discussed, and representative data are presented.

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Document Details

Document Type
Technical Report
Publication Date
Jul 24, 1968
Accession Number
AD0678077

Entities

People

  • Jerald A. Weiss

Organizations

  • Massachusetts Institute of Technology

Tags

Communities of Interest

  • Advanced Electronics

DTIC Thesaurus Topics

  • Air Force
  • Air Gaps
  • Amplifiers
  • Audio Frequency
  • Circuits
  • Diagrams
  • Electromagnets
  • Ferrites
  • Frequency
  • Magnetic Devices
  • Magnetic Fields
  • Magnetic Materials
  • Materials
  • Materials Laboratories
  • Measurement
  • Operational Amplifiers
  • Standards

Fields of Study

  • Physics

Readers

  • Microwave Engineering.
  • Superconducting Magnet Technology
  • Systems Analysis and Design