ASPECTS OF DIELECTRIC CONSTANT AND LOSS MEASUREMENTS AT 100 MHZ,

Abstract

Despite errors introduced into 100-MHz capacitance measurements by series inductances associated with the dielectric sample holder, a modified Hartshorn-Ward micrometer method currently employed for solid samples circumvents these difficulties and yields proper results for dielectric constant and loss tangent. For cases where the modified Hartshorn-Ward method cannot be used (e.g. with liquid samples), equations are derived to correct the dielectric constant and loss measurements, using a double L-section equivalent circuit, which is shown to be representative of a standard sample holder. Equations are also derived to permit calculation of dielectric constant and loss tangent using only the Q-meter Q readings and sample-holder plate separations without subsequent low-frequency capacitance determinations, which had normally been employed with the modified Hartshorn-Ward method. (Author)

Document Details

Document Type
Technical Report
Publication Date
Nov 01, 1966
Accession Number
AD0649324

Entities

People

  • Z. G. Sztankay

Organizations

  • Harry Diamond Laboratories

Tags

Communities of Interest

  • Advanced Electronics

DTIC Thesaurus Topics

  • Capacitance
  • Circuits
  • Dielectric Permittivity
  • Electrical Properties
  • Electricity
  • Equations
  • Equivalent Circuits
  • Frequency
  • Inductance
  • Measurement
  • Measuring Instruments
  • Micrometers
  • Q Meters
  • Standards

Readers

  • Calculus or Mathematical Analysis
  • Electrical Engineering
  • Materials Science and Engineering.