[sdiy] RG Keen Phase Shifter Using MF10CN

[Peter Snow]

Hi Scott,

If you don't get any answers here try the AMPAGE diy effects forum http://www.firebottle.com/ampage/
Someone there may have built it (maybe Mark Hammer or our own Mike Irwin?). Anyway I believe RG Keen
hangs out there also so you could ask him if he ever built it and whether it worked.

Good luck.

Peter 


Scott Stites wrote:
> 
> Hi All,
> I've had in my possesion for quite some time a PDF file called 'PHASER.PDF'.
> 
> Basically it's a Phase Shifter designed by RG Keen that uses the MF10CN switched
> capacitor filter rigged up as a couple of notch filters, rather than the normal
> approach using all pass filters.
> 
> I'm just curious if someone out there in Synth-DIY land has tried this particular
> circuit out, and if so, what were the results (desirable, undesirable, so-so,
> great, etc.)?
> 
> I have all of the elements for it, but I thought I'd ask first before diving into
> it in the future.
> 
> Thanks for any information,
> Scott
> 
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