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In this video, you will learn how to set up the FFT math function in the Siglent SDS1104x-e oscilloscope. FFT is the abbreviation of Fast Fourier transform in the digital domain. The FFT is a very useful feature that helps you to debug the signals. For example to analyze the harmonics or signal...
Hi all
I've found this link: https://www.audio-perfection.com/audio/audio-total-harmonic-distortion-analyzer-for-ltspice-making-thd-vs-amplitude-and-frequency-sweeps-in-ltspice.html
I'm trying to understand how to use this script properly.
Can someone tell me how I can plot the THD vs freq...
Do anyone know how to check the THD (fft) in a easy way in LTspice?
When I press the FFT-button, I got this window popping up. What should I select there?
Maybe an alternative is to do this instead:
I found somewhere that you need to write a SPICE directive like this:
".fourier {Freq}...
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