[sdiy] Filters

[Scott Gravenhorst]

Try your searches with NJM13700.  Same part.

"David Reichert" <dreichert at sympatico.ca> wrote:
>Ray,
>
>I'd like to build a circuit something like this but I'm finding the
>LM13700s hard to source. Do you perhaps know of a reliable source?
>
>Would I be correct in assuming that replacing these ICs with CA3080s and
>using simple Op-Amp buffers would be a futile idea?
>
>Thanks,
>Dave
>
>-----Original Message-----
>From: owner-synth-diy at dropmix.xs4all.nl
>[mailto:owner-synth-diy at dropmix.xs4all.nl] On Behalf Of Ray Wilson
>Sent: December 31, 2003 10:30 AM
>To: The D.U.G.; synth-diy at dropmix.xs4all.nl
>Subject: Re: [sdiy] Filters
>
>Here is a good general purpose filter:
>
>http://www.musicfromouterspace.com/analogsynth/statevariablefilter.html
>
>Cheers
>
>Ray
>
>
>----- Original Message ----- 
>From: "The D.U.G." <dug at dugdesign.com>
>To: <synth-diy at dropmix.xs4all.nl>
>Sent: Tuesday, December 30, 2003 8:05 AM
>Subject: [sdiy] Filters
>
>
>> Can anybody recommend some good sounding easy to build filters for
>> beginners. Either something that has a pcb or is easy to P2P.
>>
>> I like the Sherman filter bank and the moog filters but I know there
>are
>> prolly kind complex.
>>
>> I found the EFM stuff and they seem cheap but nobody ever responded to
>me.
>>
>> d./
>>
>
>

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