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.
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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...
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}...
Experts,
I am looking for a way to use the standard arduino FFT (no FHT for non-AVR) but only for a small section of the audio spectrum.
Instead of breaking down the entire spectrum, resulting in wide bins even after /2, I'd like to only sample 2 or 3kHz of the spectrum, and thereby have a more...
Experts,
I really want to offload the audio FFT/FHT processing from my μC. I'm at the limits of an ESP32, and the specs I read out there are crazy, like Processing of 2048 complex samples in 224 µs!
I've read lots of design articles and scholarly papers out there, but they all talk about it...
So,
For a hobby project, I'm making a spectrum analyzer using an 8 bit datapath in a MCU.
I wanted to learn more about how the FFT/FHT works, so I am taking a stab at my own attempt at both an FFT and FHT. I have both an 8bit forced datapath FFT and FHT "working" in python, and it's...
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