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A Novel Calibration Algorithm With Unknown Line-Series-Shunt Standards for Broadband S-Parameter Measurements

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2 Author(s)
Chien-Chang Huang ; Yuan Ze Univ., Taoyuan ; Huan-Che Lin

This paper presents a novel calibration algorithm using unknown line-series-shunt standards that are suitable for planar transmission line structures for the broadband S-parameter measurements of microwave vector network analyzers. The derivations are based on the eight-term error model with the matched line standard and the lumped assumptions for the series and shunt calibration kits, respectively. With the self-calibration technique, the line propagation constant and the impedance/admittance of the lumped elements are evaluated for further deembedding processes. Simulated and measured results for the conductor-backed coplanar waveguide calibration kit are shown with the additional noise-effect simulation and the two-line thru-reflect-line calibration measurement to validate the proposed approach.

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Instrumentation and Measurement, IEEE Transactions on  (Volume:57 ,  Issue: 5 )