[sdiy] NIC-based wave folder/shaper

[harrybissell]

Hah... I use a +/- 20V supply...and my opamp can deliver
tens-of-amps of current  (because simple spice models are
pretty stupid, all told...)

I'll try again

H^) harry

BTW... what amplitude / offset sawtooth are you using (I'm guessing it
should not matter...)

Ian Fritz wrote:

> At 07:47 PM 1/25/2003, harrybissell wrote:
> >No whiteboard... but some loose-leaf paper
> >and EWB...
> >
> >The simulation looks quite interesting. My values were a 25K resistor
> >for the series path and a 100K pot...
> >
> >I couldn't get the triangle with your values....
> >
> >nice idea, thanks (soon to be a 'new' module from you-know-who)
> >
> >H^) harry
>
> Hmmm...  My hand calculations agree with what I measure.  You *did*
> remember to include the op amp saturation, I hope.  Also, I forgot to
> mention that I used a +/- 12 V power supply.
>
> I can't recall seeing anything like this before in the EM arena, although I
> haven't seen the Serge folder.  I got the idea reading through the Itoh
> paper I refered to before, although I had to go to a different
> implementation of the NIC.
>
>    Ian