Re: TDR, VNA and FFT...


"Fred Bartoli"
<fred._canxxxel_this_bartoli@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote in
message news:45a6c38e$0$292$426a34cc@xxxxxxxxxxxxxxx
Seems simple at first sight.

Apply a sine wave to the DUT through R=Zo
Multiply voltage by 1/(j w)
Take inverse FFT.

The outcome is... uhhh

I must have overlooked something, but what?

...going to bed. Maybe I'll do better tomorrow.

--
Thanks,
Fred.

What are you trying to do?

There is something called frequency domain reflectometry but, with that, you
need to sweep the DUT through a range of frequencies.

Bob


.

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