Because the TDR is not really a TDR.
Using frequency sweeps it does a TDR like function.But it's just a VNA doing calculations on the peaks and dips of a sweep.
Just a wire by itself is NOT a 50 Ohm transmission line.And the TDR like function only works with 50 Ohm transmission line, and to someextent 72 Ohm lines.? Kent
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On Monday, June 20, 2022, 05:37:46 AM CDT, DougVL <k8rftradio@...> wrote:
The "TDR" function works - why shouldn't this?
It's simple enough to test, too!
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Doug, K8RFT