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Re: FFT of expression of voltages ? #FFT

 
Edited

On Thu, May 1, 2025 at 12:14 PM, John Woodgate wrote:

If you plot V(n001)-V(n007)first, you can then get its FFT.

I tried that, and it did not work for me.? I plotted both V(n001,n007) and V(n001)-V(n007) in the waveform viewer, and then went to the FFT menu, but still got only the list of individual voltages and currents in either case.
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Maybe that is a feature that exists in only some versions of LTspice?? I'd be surprised if it does, but maybe.

Andy
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