[sdiy] New waveshaper writeups

[Daniel Araya]

> From:          "Ian Fritz" <ijfritz at earthlink.net>
> To:            <synth-diy at node12b53.a2000.nl>
> Subject:       [sdiy] New waveshaper writeups
> Date:          Mon, 7 May 2001 13:39:53 -0600

> Hi All --
> 
> I have put up new pages on my website describing two waveshaper circuits.
> The first writeup describes the Double-Pulse Waveform Generator that I have
> had in my modular setup for many years. It is based on the core circuit that
> was presented in Electronotes #72 and #73. It adds voltage control of the
> weighting of the positive and negative pulses in addition to voltage
> controlled pulse width.
> 
> The second circuit, the Wavolver, is new. It has two basic functions. First
> it deforms a triangle wave into an antisymmetric pair of pulses by
> "shorting" the output signal to zero whenever the triangle amplitude's
> magnitude is below a voltage threshold. Second it allows an evolving series
> of folded waveforms to be added during the "shorted" sections. This part of
> the circuit was inspired by the wave folder recently described by Juergen,
> except that its diode string is driven by the control input rather than by
> the signal input, and it generates the folded sections directly rather than
> by distortion of the signal.
> 
> Here are the links:
> 
> http://home.earthlink.net/~ijfritz/sy_cir5.htm
> 
> http://home.earthlink.net/~ijfritz/sy_cir6.htm
> 
>   Ian


Hi!

These circuits look great! I wonder if it is possible to run them 
on +/-15v without big modifications?

regards

Daniel Araya, Sweden