Understanding the residual waveguide interface variations on millimeter wave calibration
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Calibration is essential in obtaining accurate Vector Network Analyzer (VNA) measurements. Often, it is taken for granted that millimeter wave waveguide calibration is a simple, straightforward process as those in the RF & microwave waveguide calibration or in the coaxial calibration. This paper provides a better understanding of the “residual” or “non-ideal” waveguide aperture interface that often obfuscates a valid, repeatable, Thru-Refl-Line (TRL) and/or Line-Refl-Line (LRL) calibration of a two-port waveguide millimeter wave VNA system. WR05 and WR03 waveguide band data are presented.
[1] Anthony Denning,et al. An innovative waveguide interface for millimeter wave and sub-millimeter wave applications , 2007, 2007 69th ARFTG Conference.
[2] Charles Oleson,et al. Millimeter Wave Vector Analysis Calibration and Measurement Problems Caused by Common Waveguide Irregularities , 2000, 56th ARFTG Conference Digest.