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  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

thd

  1. hesam_m

    How to Easily Set up the FFT Function in the Siglent SDS1104X-E Oscilloscope

    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...
  2. Lucky-Luka

    THD vs frequency

    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...
  3. mading2018

    THD in LTspice?

    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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