The effect of phase shift through a scalar network analyzer The problem comes with the leakage between the tracking generator and the spectrum analyzer.

Scalar Network Analyzer Leakage Correction by Theodore Yapo Low-pass filter being tested by a Rigol DSA-815 using the phase shifting correction technique ...

In his final article of a series, Tom Fenton shows how he used ntopng Community edition dashboards to analyze his local LAN network traffic.

When measuring a circuit or device with a network analyzer, engineers generally inject a signal and believe that the measured results reflect that of a “small-signal” AC measurement.