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NOTCH (Notch Filter)

This component is a Notch Filter (1st order IIR filter).


Double-click on it and click "Change Parameters" to set parameters. You can set a "notch" on the frequency of Fc, i.e. remove the frequency. Q decides how sharp the slope is.


Left-click to select it and right-click to choose "Open a Monitor".


The characteristics of the filter is drawn on the monitor window.


"View" -> "Scale Change" on the menu to change the scale.


You can save the coefficients by choosing "Tools" -> "Save Coefficients" on the menu.



Sample Schematics

Reduce ham noise on the conversation


Related Tutorials

How to reduce ham noises

How to quantize coefficients that has very low cutoff

How to quantize coefficients which exceed 1.0

There are two type of expression for IIR filters



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