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Using a function generator for circuit troubleshooting relies on a technique called “signal injection,” where you substitute real-world inputs with a controlled test signal to trace faults. By sending a known waveform into the circuit and monitoring it at various stages with an oscilloscope or multimeter, you can easily isolate exactly where a signal degrades, distorts, or drops out completely. 🛠️ Core Steps for Circuit Troubleshooting 1. Configure the Generator Independently

Before connecting anything to your target board, set up your signal safely to avoid damaging sensitive components.

Signal Generator Guide: What Is It and How to Use It Properly