Design methodology and performance evaluation of a tapered cell

Wen Tron Shay, Wei Ping Hong, Ray Rong Lao, Jenn-Hawn Tarng

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


Tapered cells are used in the calibration of electric field (E-field) probes. However, the design methodology of tapered cells has not been publicly reported in detail. This paper introduces the structure of a tapered cell and proposes a theoretical model for characteristic impedance calculation. Based on this model and developed design rules, an impedance-matched tapered cell was constructed. The measured characteristic impedances and impedance distribution along the cell show favorable agreement with the design goals, verifying the accuracy of the design methodology. The field distributions were also measured. The results prove that the cell is useful for calibrating E-field probes.

Original languageEnglish
Article number6472303
Pages (from-to)1821-1827
Number of pages7
JournalIEEE Transactions on Instrumentation and Measurement
Issue number6
StatePublished - 11 Mar 2013


  • Calibration
  • electric fields (E-fields)
  • impedance matching
  • measurement
  • transmission lines

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