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Variable notch filter

 
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bdoan



Joined: 10 Nov 2013
Posts: 13

PostPosted: Sat Mar 07, 2015 1:57 pm    Post subject: Variable notch filter Reply with quote

RE: http://www.spinsemi.com/forum/viewtopic.php?t=82

I have pared this code down and still have a useable, tunable notch.

What I need to figure is the relation between the POT value (for frequency) and the actual notch frequency.

;Frequency control
rdax pot0,1 ;get freq control
rdfx p0fil,0.01 ;average with filter
wrax p0fil,1
wrax f1,0
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