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An understanding of measurement uncertainties is a critical element in evaluating the performance of a device under test (DUT). For a vector network analyzer (VNA), the measurement process includes a calibration process that significantly impacts and also complicates the estimation of DUT measurement uncertainty. This lead to the creation of software to assist in the estimation of measurement accuracy...
Previously, the first author has shown that the nonlinear behavior (e.g. gain compression or TOI) of some balanced amplifiers can be accurately measured using single-ended measurements: amplifiers that have a balanced stage before a non-linear stage; other amplifiers require true-mode drive to give correct differential and common-mode results. This paper describes, for the first time, a complete solution...
Multiport vector error correction leverages the techniques that apply to two-port error correction. In some testset configurations the load match at any particular port may take on multiple distinct values that must be characterized. As the number of ports increases it becomes important to find ways to minimize the number of connections required to calibrate the VNA. This paper presents techniques...
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