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Notch Filter

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Notch Filter

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The notch filter can be used to filter out an undesired frequency.

Gain K: The filter gain K determines the frequency gain of the filter.
Frequency f: The filter attenuates at frequency f in Hz. Lower and higher frequencies will pass the filter.
Quality Q: The filter quality indicates how steep the magnitude response will be at the frequency f.

Transfer function of the filter:

EquationNotch