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Passive Filters:  Low Pass Circuits
Passive Filters -- Main Page
Last Updated on: Sunday, July 27, 2008 07:39 PM

 
Links to electronic circuits, electronic schematics, designs for engineers, hobbyists, students & inventors:

Improve group delay response in the anti-aliasing filter:  05/01/98 Electronic Design - Ideas for Design / (added 01/05)  You can dramatically improve the group delay performance of a video digitizer by using the antialiasing filter shown (Fig. 1) instead of a Butterworth anti-aliasing filter. Anti-aliasing filters are necessary. . .

Variable Low Pass Filter:  Unpublished 1995 - A second order variable bandwidth low pass filter is formed using one IC and some passive components. This low cost circuit is good out to 2.5MHz. (Circuit added 9/04)

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