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Old 16th July 2006, 06:31 PM   (permalink)
Question Notch Filter.

How does a notch filter design using a Twin T Network work? Could anyone explain or give me a link to a resource... I would like to understand the circuit analysis and derive the notch frequency.

Thank you.
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Bharath Bhushan Lohray.
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Old 16th July 2006, 10:21 PM   (permalink)
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Guess what you find when you put "twin t notch filter" into google.

JimB
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Old 17th July 2006, 01:25 AM   (permalink)
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Quote:
Originally Posted by JimB
Guess what you find when you put "twin t notch filter" into google.

JimB
The answer? There is no icon for "DUCK".
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Old 17th July 2006, 06:31 AM   (permalink)
Default You might find this National Semi App Note helpfull...

http://www.national.com/ms/LB/LB-5.pdf

And, yes, there are a LOT of pages with this info, from the mundane to the " I do NOT believe the math!"

Hope this helps.
kenjj
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Old 18th July 2006, 05:52 PM   (permalink)
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Okay Thanks guys, I had posted here only after a "Notch filter analysis" and "Notch Filter circuit" gave no satisfactory results...

However I found a few useful pages when I added the "twin T" term....
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