The DDSFunction Signal Generator provides a versatile tool for accurate signal generation with a practical, lab-friendly design. - Broad frequency range from 1 Hz to 500 kHz enables diverse testing tasks and experiments - DDSFunction capabilities allow precise waveform generation with a focus on a clean sine wave across the full range - Wide frequency spectrum supports access across a broad span from low to high frequencies - USB interface offers easy connection to PCs and control software, enabling data transfer and remote operation - Impedance of 50 Ohm ensures proper signal transmission and compatibility with standard lab equipment Use scenarios - Electronics lab: calibrate amplifiers and sensors, and verify ADC/DAC linearity with stable sine and other waveforms - Circuit development: characterize filters and assess frequency response of boards and modules - Communications and research: generate test signals for impedance matching, modulation demonstrations, and component testing