Determination of propagation constants of transmission lines using 1-port TDR measurements

The propagation constants of transmission lines were measured from 1-port TDR measurements. Since the TDR measurement is a 1-port measurement, error can be smaller than 2-port measurement techniques. Moreover, the available frequency is determined by the rise time of the TDR step pulse unlike TRL me...

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Bibliographic Details
Main Authors: Woopoung Kim, Seock Hee Lee, Man Cheol Seo, Swaminathan, M., Tummala, R.R.
Format: Conference Proceeding
Language:English
Subjects:
Circuit simulation
Digital circuits
Distributed parameter circuits
Electric variables measurement
Frequency measurement
Impedance measurement
Propagation constant
Propagation losses
Time measurement
Transmission line measurements
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Summary:The propagation constants of transmission lines were measured from 1-port TDR measurements. Since the TDR measurement is a 1-port measurement, error can be smaller than 2-port measurement techniques. Moreover, the available frequency is determined by the rise time of the TDR step pulse unlike TRL methods. The propagation constant of a lossy transmission line was extracted from DC to 10 GHz. Simulation of the lossy transmission line using the extracted propagation constant shows good agreement with TDR measurement, demonstrating the accuracy of the TDR measurement technique.
DOI:10.1109/ARFTGS.2002.1214689