SV: Re: SV: [sdiy] QVCO schemo up

[JH.]

> I agree with your result of removing the diode bias. With both removed, I
get
> rounded triangles. I did not try just ~one~ removed.

You certainly know that, but when removing the diode current, and not using
much smaller resistors from inputs to GND, you get much more gain,
and overdrive the OTA. This explains the triangle stuff when one diode
current
is removed: you get vastly different integrator time constants.

JH.