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2003•Applied Physics LettersRequires access

Shorted-end probes for accurate permittivity measurements with time-domain reflectometry

A. Cereti, Elena Pettinelli, Alessandro Galli, Francesco Bella

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Abstract

An investigation is presented on the use of short-circuit terminations in two-wire transmission lines employed as probes in standard time-domain-reflectometry (TDR) setups. Experimental permittivity results are given for different configurations and materials, and these data are compared with those achievable using conventional open-type terminations. The possibility of both improving the accuracy and simplifying the procedures of TDR measurements using shorted-end probes is illustrated.

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What this paper is about

An investigation is presented on the use of short-circuit terminations in two-wire transmission lines employed as probes in standard time-domain-reflectometry (TDR) setups. Experimental permittivity results are given for different configurations and materials, and these data are compared with those achievable using conventional open-type terminations. The possibility of both improving the accuracy and simplifying the procedures of TDR measurements using shorted-end probes is illustrated.

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Available abstract

An investigation is presented on the use of short-circuit terminations in two-wire transmission lines employed as probes in standard time-domain-reflectometry (TDR) setups. Experimental permittivity results are given for different configurations and materials, and these data are compared with those achievable using conventional open-type terminations. The possibility of both improving the accuracy and simplifying the procedures of TDR measurements using shorted-end probes is illustrated.

Key concepts: Reflectometry, Permittivity, Time domain, Materials science, Electronic engineering, Optics, Optoelectronics, Computer science

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