Saw to Triangle problem!

[<<marjan>>]

> I have problems with my saw to triangle converter. On the positive
> peak I noticed some sort of clipping, but it's more like nonlinearity
> of the diodes. I've tryied several designs, but they are all the same.
> Same clipping at the top, since the negative peak is ok and is sharp
> as a needle :). Is that normal or what? This is especially noticeable
> at lower frequencies. Has anyone experianced and solved similar
> problem? I've already tryed several diodes (Ge, Si) and even BE diode


-try shotky (sp?) diode
-put trimmer to compesate opamp offset 



marjan