Electronic Circuits and Tutorials
Electronics Schematics - P

 Notch Circuits - Passive Filters

Twin T notch filter - The twin T circuit is very useful as a notch filter. Here the twin T provides a large degree of rejection at a particular frequency. This notch filter can be useful in rejecting unwanted signals that are on a particular frequency. One example may be to filter out unwanted mains hum at 50 or 60 Hz that may be entering a circuit.

Operational amplifier / Op amp notch filter circuit - The circuit, calculations and design considerations for a single op amp notch filter and a twin T notch filter using an operational amplifier.

Notch Filter Made With High and Low Pass Filter - The circuit was designed with the combination of high pass filter and low pass filter to create a notch filter circuit.

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