Which electronic testing tool is commonly used to trace a function generator test signal through equipment?

The oscilloscope is commonly used to trace a function generator test signal through equipment because it provides a visual representation of electrical signals over time. By displaying waveforms, an oscilloscope allows technicians and engineers to analyze the frequency, amplitude, and shape of the signals being tested.

When testing equipment with a function generator, the oscilloscope can show how the generated signal behaves as it passes through various components, enabling the user to troubleshoot and verify the integrity of the signal throughout the circuit. This visibility into the real-time operation of a signal is crucial for diagnosing issues, measuring the characteristics of the signal, and ensuring that it meets the desired specifications.

In contrast, while a multimeter can measure voltage, current, and resistance, it does not provide a time-based analysis of waveforms. A function analyzer can also generate and analyze signals, but its primary use is not for tracing signals through a system. A spectrum analyzer focuses on the frequency spectrum of signals rather than their time-domain representation, making it less effective for this specific purpose. Thus, the oscilloscope stands out as the preferred tool for tracing function generator signals effectively.