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Two-Tier Multiline TRL for Calibration of Low-Cost Network Analyzers

Published

Author(s)

Jeffrey A. Jargon, Roger Marks

Abstract

We compare calibrations for use on three-sampler vector network analyzers (VNAs), which do not allow the direct applica­tion of some advanced error-correction schemes such as TRL (thru-reflect-line). Here we compare various alternatives, including an approximate version of TRL that has been introduced commercially and two-tier multiline TRL using external software. We consider both coaxial and coplanar open-short-load -thru (OSLTI calibrations for the first tier, showing that the latter can lead to inaccuracies. Finally, we investigate the stability of the load reflection terms to show that the first tier calibration need not be frequently repeated.
Proceedings Title
Tech Dig., Auto. RF Tech. Group Conf.
Volume
28
Conference Dates
November 30-December 1, 1995
Conference Location
Scottsdale, AZ

Citation

Jargon, J. and Marks, R. (1995), Two-Tier Multiline TRL for Calibration of Low-Cost Network Analyzers, Tech Dig., Auto. RF Tech. Group Conf., Scottsdale, AZ, [online], https://doi.org/10.1109/ARFTG.1995.327126 (Accessed June 17, 2021)
Created December 1, 1995, Updated November 10, 2018