[time-nuts] Impedance measurement fitting algorithm
Brooke Clarke
brooke at pacific.net
Wed May 23 18:37:50 UTC 2012
Hi Henry:
You might just try using a spreadsheet to calculate the complex impedance of your model circuit and manually play with
the parameter values and get them to match the measured data.
Have Fun,
Brooke Clarke
http://www.PRC68.com
http://www.end2partygovernment.com/Clarke4Congress.html
ehydra wrote:
> Hi time-nuts!
>
> If I remember correctly here was a discussion about an older HP impedance measurement equipment. The one which is able
> to calculate a 6 ideal parts replacement circuit for the measured passive device.
>
> How does is it works? I would like to fit parts for simulation in SPICE. So I need something like a algorithm to fit
> for minimum error a input table with complex numbers (frequency-sweep) to this 6 part circuit. For example the
> universal capacitor component in LTspice is able to hold RLC and even XTAL data and more like residual current for
> electrolytics.
>
> Any ideas?
>
> Thanks -
> Henry
>
More information about the Time-nuts_lists.febo.com
mailing list