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Extracting the 5th Harmonic

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March 14th 04, 12:35 AM

Paul Burridge

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On 13 Mar 2004 11:34:46 -0800, (Tom Bruhns) wrote:

In addition to what John L. posted about adding in 4th and 6th
harmonics and making it harder to filter, if you have a 40% or 60% (or
20% or 80%) duty cycle, there will be NO fifth harmonic. From what
you've posted, that likely is the crux of your problem.

Nope! You obviously haven't seen the scope traces I posted earlier
(given a clean bill of health by John Fields). Keep thinking!
--

The BBC: Licensed at public expense to spread lies.

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