Tag: passive filters

Passive RL low pass filter tutorial

This video shows how you can use RL filters to filter out high frequency signals. An example audio crossover circuit for a woofer speaker is given.

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Circuit simulation in LTSpice tutorials

Circuit simulation can save you a lot of grief when designing advanced circuits. Instead of building something then wondering why it doesn’t work, a simulator can speed up the debugging process by letting you quickly change component values to see how the circuit responds. LTSpice IV is a freely available circuit simulation package from Linear […]

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Passive RC high pass filters

This video builds upon the basics I covered with my low pass filter tutorial, so make sure you have seen that video first. This video shows you how high pass filters affect sine waves and square waves of different frequencies, and compares the bode plots of high and low pass filters. By the end of […]

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What is a low pass filter? Passive RC low pass filter tutorial

This video covers the basics of low pass filters – how they affect signals, and how to design your own. By the end of the video you’ll know how to filter out high frequencies, which may prove useful when designing subwoofer crossovers etc. They are also handy for smoothing voltage ripple out too. You’ll also […]

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