SV: Re: [sdiy] Serge Waveshaper

[karl dalen]

--- Ken Stone <sasami at hotkey.net.au> skrev:

> It bears little resemblance to what is actually in Serge's wave MULTIPLIER.
> The waveshaper is yet another, older, circuit.
> 
> The wave multipler has three sections, parts 2 and 3 being the famous ones.

The first cirquit are just a soft clipper stage.(according to the serge
manual of the cirquit.)
 
> Part 2 is built very much like my own CGS29 wave multipler, except using six
> stages instead of four. No, I didn't copy it, I just arrived at the same
> conclusion independently.

How shure are you on this, i cant find the manual at the moment
but i recall it saying 3 cascaded folding stages in the middle section.


KD






> >
> >Is Fig. 6 the famous "Serge VC Waveshaper" one hears so much about? It's 
> >got an op amp, a bipolar, and two diodes. The diodes are connected in the 
> >same direction in series; one is grounded, and the other is hooked to the 
> >negative terminal of the o amp. The collector of the transistor is hooked 
> >to the negative terminal of the op amp, and the base is hooked between the 
> >diodes.
> >
> >I'm having a hard time wrapping my head around exactly what this circuit 
> >does.
> >
> >- Aaron
> >
>
>-----------------------------------------------------------------------------
> >
> >Dr. Aaron Lanterman, Asst. Prof.       Voice:  404-385-2548
> >School of Electrical and Comp. Eng.    Fax:    404-894-8363
> >Georgia Institute of Technology        E-mail: lanterma at ece.gatech.edu
> >Mail Code 0250                         Web:   
> users.ece.gatech.edu/~lanterma
> >Atlanta, GA 30332                      Office: GCATT 334B
> >
> >
> _______________________________________________________________________
> Ken Stone   sasami at hotkey.net.au or sasami at cgs.synth.net
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