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Operational Amplifiers
Circuits
copyright: Claude Jacobs

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Tone Control: Standard 3-Band Equalizer




Notch Filter with Operational Amplifier: (often used in parametric equalizers)




Multichannel Parametric Equalizer with Notch Filters:




Highpass, Lowpass, Bandpass, Notch Filter:



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3D VIRTUAL DEVELOPMENT
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copyright 2002: Claude Jacobs 3D Virtual Development Services