tri-wave converter?

[Paul Perry]

At 02:33 PM 25/02/99 MST,INDRID COLD  wrote:

>  INTEGRATORS, DOES ANYBODY KNOW IF I COULD USE ONE TO CONVERT
>  A SAW WAVE TO A 
>  TRIANGLE WAVE. I'VE READ THAT ITS POSSIBLE BUT NOT RECOMMENDED
>  DUE TO PROBLEMS 
>  AT HIGHER FREQUENCIES. 

NO YOU CANT INDRID, BECAUSE
if you integrate a saw you get a quite untriangular wave.
You convert a saw to a triangle by shifting it to make the upper and lower 
points equally above and below ground, then running it into a 
precision absolute value (rectifier) circuit.

paul perry Frostwave P/l Melbourne Australia