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Latest Advances in VNA Accuracy Enhancements

A vector network analyzer (VNA) measurement accuracy depends on the accuracy of the calibration standards, the calibration method employed and the instrumentation accuracy. Advances in signal processing technology, computation technology, manufacturing...
Calibration standards such as opens and shorts have traditionally been modeled by fitting the actual response of the standard to a third-order polynomial. 1 This approach has limitations as the frequency range of the standards increases. Multiple-band models for the same calibration standard were created in an effort to...
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