FG100 DDS Function Signal Generator Compact and versatile design: small footprint yet fully functional. Easy to operate and portable, with flexible power options including a power adapter or lithium battery for use in the lab or on the go. Circuit testing and debugging with oscilloscope: an companion for circuit development. Accurately characterize frequency response and impulse response of audio amplifiers and other circuits to optimize performance when used with an oscilloscope. accuracy and stability: DDS technology provides precise frequency control and stable output over time, making it suitable for calibration tasks such as scan time factor calibration and precise measurements. Versatile waveform options: provides multiple output waveforms including sine, square, triangle, forward sawtooth, and reverse sawtooth to meet a range of testing needs. Robust construction and reliable operation: designed for dependable performance in both lab and field settings, with clear, userfriendly operation. Compatibility and practical use: works with standard lab equipment, including oscilloscopes, for integrated testing and debugging workflows. Practical use scenarios: Audio amplifier development and testing: generate test signals, measure frequency characteristics and impulse response with an oscilloscope to assess and optimize performance. Circuit debugging and validation: produce targeted waveforms to stresstest analog and digital circuits during development. Field service and onsite measurements: portable, batterypowered operation enables quick testing and verification outside the lab.