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What exactly are harmonics and how do they appear? In case of a repeating waveform (like a square wave), when you do Fourier analysis you find that all the sines that compose the waveform have frequencies that are an integer multiple of the frequency of the original waveform These are called "harmonics"
How to use a CSV file from an oscilloscope for further analysis How to plot the real scale waveform data? Do I have to multiply it with vertical scale? You can do that, or use another factor based on scope probe attenuation or other factors that make sense for your ultimate objective And what about the time? What to do if I want to plot the waveform data in the time domain? Since there's no time data and all I have is the sample period, horizontal scale
DO-160 indirect lightning requirement confusion For DO-160, there are Waveform 3, 4, 5A B, and each waveform has its own requirement Can some please give me an example on how to check if the tvs diode complies with each waveform I am also worried about certain phrase such as pin injected, cable injected, and multiple burst, single burst I don't know what is going on Please help out
operational amplifier - Why does my op-amp circuit output a rectangle . . . If you want a non-inverting amplifier that outputs a waveform similar to the input, then you need to connect the feedback to give you a unity gain buffer At the moment, it's connected as a comparator, which will output a sqaure wave
Cant get rid of voltage spikes ringing on DC-DC buck converter As requested: Waveform with 10X probe setting, AC coupling, ground clip connected to nearest circuit ground With this configuration, the spikes are still present The waveform of the PWM signal also decreased in quality EDIT2: Here is the PCB Layout Note that the component reference numbers are different from the schematic I showed earlier
spice - Exporting LTspice waveforms to txt or csv - Electrical . . . What do you mean "the waveform is quantized"? If you expexc something continuos coming out from a digital simulation, I have bad news for you The graphing tool interpolates the data points, but even then the resulting graph is quantized because of your screen or machine precision If you want it continuos you can draw it by hand on a piece of paper
How to plot the FFT in Ltspice? - Electrical Engineering Stack Exchange Below is the waveform for current flowing through R1 For getting the FFT of the waveform,right click on the waveform,select the option view and then select FFT Then you van select which waveform you need Please see the second image The FFT of resistor current is given in the last image