On Mon, 21 Oct 2019 at 01:22, alan victor <avictor73@...> wrote:
Hi Martin,
Yes. The only issue I see is the display of X as pF (or maybe nH or uH) in
any case, all cases will be the parallel equivalent admittance (impedance).
Rune and I discussed and in all cases he is implementing the equations you
highlighted. All the series complex and Q are a-ok. And the conversions are
a-ok.
Alan
I mentioned some time ago that my HP LCR meter could show impedances in
many ways - I think there mist be about 20 ways. It doesn¡¯t display
S-parameters though.
If its any help, I could do a single sweep then show every set of
measurements it shows. If a Touchstone file with one data line was created
to have the same parameters, it offers a way of comparing NanoVNA-Saver
with the LCR meter.
I am not suggesting that the NanoVNA software should implement all the ways
that the HP LCR meter does.
Some of the LCR meters on the market offer equivalent circuits with 3 or 4
components. I assume that requires looking at measured data over 2 or more
frequency points. My obsolete HP 4284A can not do anything clever like
that.??????
--
Dr. David Kirkby,
Kirkby Microwave Ltd,
drkirkby@...
Telephone 01621-680100./ +44 1621 680100
Registered in England & Wales, company number 08914892.
Registered office:
Stokes Hall Lodge, Burnham Rd, Althorne, Chelmsford, Essex, CM3 6DT, United
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