op-amp on Electronic Labhttps://electronic-lab.net/en/tags/op-amp/Recent content in op-amp on Electronic LabHugoen-USThu, 11 Jan 2018 23:59:00 +0100Peak Voltage Detector for a Sine Wave Generatorhttps://electronic-lab.net/en/projects/peak-voltage-detector/Thu, 11 Jan 2018 23:59:00 +0100https://electronic-lab.net/en/projects/peak-voltage-detector/<p>I recently built a 1 kHz sine wave generator with adjustable amplitude. It works great and is well suited for testing and repairing audio amplifiers. I thought it would be nice to fit a small panel voltmeter that shows the output voltage.</p>