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Passive Filters:
Notch Circuits
Passive
Filters -- Main Page
Last Updated on:
Monday, October 26, 2009 05:11 AM |
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Links to electronic circuits,
electronic schematics, designs for engineers, hobbyists, students & inventors:
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Basic Introduction to Filters: Active, Passive & Switched-Capacitor - National
Semiconductor Application Note (app note added 6/06) |
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Notch RC Notch Filter Twin T - The twin T notch filter can be used block an
unwanted frequency or if placed around an op-amp as a bandpass filter. The notch
frequency occurs where the capacitive reactance equals the resistance Xc=R and if
the values are close, the attenuation can be very high and the notch frequency
virtually eliminated. (electronic schematic / circuit added 4/02) |
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