Broadband characterization of complex permittivity for low-loss dielectrics: Circular PC board disk approach

Zhonghai Guo, George Pan, Stephen Hall, Christopher Pan

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

We present a nondestructive method for determination of the permittivity and loss tangent of low-loss dielectrics using printed circuit board (PCB) circular disks. Because it utilizes multiple resonances, this method is in high precision and broadband (500 MHz12 GHz), covering the UHF, GSM 850/1800, 802.11b/g, WiMax, WLAN, and UWB bands. The method is simple and accurate based on closed-form analytic expressions of cylindrical symmetry, taking into account disk rim fringing fields and radiation loss. Numerical results are conducted for popular PCB material, FR4, and the self-consistent KramersKronig (KK) relation is verified.

Original languageEnglish (US)
Article number5175305
Pages (from-to)3126-3135
Number of pages10
JournalIEEE Transactions on Antennas and Propagation
Volume57
Issue number10 PART 2
DOIs
StatePublished - 2009

Fingerprint

printed circuits
circuit boards
Dielectric losses
dielectric loss
Printed circuit boards
Permittivity
permittivity
broadband
Wimax
Global system for mobile communications
rims
Wireless local area networks (WLAN)
tangents
Ultra-wideband (UWB)
coverings
Radiation
symmetry
radiation

Keywords

  • Dielectric measurements
  • High-speed digital circuit
  • Loss tangent
  • Microwave measurements
  • Real permittivity
  • Self-consistency

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics

Cite this

Broadband characterization of complex permittivity for low-loss dielectrics : Circular PC board disk approach. / Guo, Zhonghai; Pan, George; Hall, Stephen; Pan, Christopher.

In: IEEE Transactions on Antennas and Propagation, Vol. 57, No. 10 PART 2, 5175305, 2009, p. 3126-3135.

Research output: Contribution to journalArticle

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