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Re: FFT of expression of voltages ? #FFT

 

¿ªÔÆÌåÓý

I guess I misremembered.

On 2025-05-01 17:34, Andy I via groups.io wrote:
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(n07) 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.
?
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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--
Best wishes John Woodgate RAYLEIGH Essex OOO-Own Opinions Only If something is true: * as far as we know - it's science *for certain - it's mathematics *unquestionably - it's religion
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