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Determination of dielectric constant and loss-tangent of substrate sheet using microstrip patch resonator

✍ Scribed by A. K. Verma; Nasimuddin

Publisher
John Wiley and Sons
Year
2002
Tongue
English
Weight
160 KB
Volume
35
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

This paper presents a new microstrip rectangular patch resonator based method to determine the dielectric constant and the loss tangent of a dielectric material in sheet form. Using an improved form of the cavity model, called the modified Wolff model (MWM), the present method extracts these two parameters from the measured resonance frequency and Q‐factor. The MWM takes care of all kind of losses in the patch, resulting in accurate determination of the dielectric constant and loss tangent of the substrate. Β© 2002 Wiley Periodicals, Inc. Microwave Opt Technol Lett 35: 175–179, 2002; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.10549

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