Uploaded November 2025 | Updated September 2026, 1 week ago

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The trick this time is to use a diode with the Schmitt inverter oscillator, letting the capacitor rapidly charge without having to go through the resistor. The same buffer amplifier stages are used as before. Sorry for the loud breathing noises.

hackaday.com/2015/03/09/logic-noise-sawing-away-with-analog-waveforms