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Measurement differences among circuit models using E4980 LCR Meter?

Question asked by stang on Jun 9, 2016



I am measuring the impedance of a device (inductor) using the Z-theta function and the Ls-Rs function. Instead of running the measurement twice (once for each function), can I measure only Z-theta and then compute Ls and Rs? Is there any reason to measure Ls-Rs (or any other equivalent circuit) directly rather than measure Z-theta and subsequently derive model parameters for whichever circuit model I choose?


I appreciate any help!