[sdiy] Vactrol filters?

Jason Proctor jason at redfish.net
Wed Jan 25 23:50:46 CET 2006


ISTR the MOTM-410 triple resonant filter having vactrols. but you'd 
have to buy one for a schematic or ask paul s very nicely for tips on 
vactrol usage.


>I think you would just take any static filter circuit and replace 
>the resistor(s) that set frequency with vactrols.  Then control the 
>vactrol with a CV.  Or if it's a VCF, you want to replace the OTA 
>with the vactrol.
>
>But sorry, can't give you any links.
>
>Seb
>
>
>dustin sedlacek wrote:
>
>>Anyone know where to find some schems for a vactrol filter? I have 
>>found very little information on this on the net.
>>
>>--
>>Dustin



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