Linear Slew Not Working

I'm trying to simulate a fairly standard synthesizer linear slew circuit. This circuit works as expected in a physical circuit, but CircuitLab doesn't want to simulate correctly.

With a slow 1 Hz square wave input, I should see a trapezoid waveform at the output of the second OPA. I've tried changing component values and replaced the OPAs, but it does not act like a physical circuit.

What am I doing wrong?

by dslocum
May 02, 2023

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