[sdiy] Wave Wrapper proposed by Thierry Rochebois

[KA4HJH]

> On Oct 16, 2016, at 10:14 AM, Juan Bermúdez Costa <jubeco at telefonica.net> wrote:
> 
> A lot of time ago Harry (Bissell ?) wrote...
>  
> "No voodoo is needed. What you need is the wave wrapper proposed by Thierry Rochebois... or if you really want a linear triangle, the variant of his circuit that I designed. The wave wrapper will (at certain input points) give triangle wave outputs at 2X, 3X, 4X, 5X.... depending on the number of series stages. This was posted before. Since we are in "no binaries" mode... if someone wants to host I'll send the schematics and we can all look.... Harry"
>  
> I'm curious to see the mentioned schematic in the old post. Does anyone be kind enough to re-publish it again?
> Thanks beforehand,
> Juan Bermúdez Costa


I just received this reply from Harry:

> Say hi to everyone. I can't get at my old cad system so I drew this from memory.
> Maybe the diodes and the resistor on the non-inverting input are transposed, but it will work either way.
> I added the final diodes so the amplitude is clamped, if not when you exceed what the circuit can fold, it grows
> in amplitude until you hit the rails...
> 
> H^) harry

A pdf of his schematic is here:

https://www.mediafire.com/?8afjj4nj0wwimcu


Terry Bowman, KA4HJH
"The Mac Doctor"