Compact, portable signal generation device with direct digital synthesis (DDS) Small size and portable: easy to carry and fits on crowded workbenches or in a tool kit, enabling onsite testing and quick setup. Multifunction and simple operation: designed to provide essential signal generation capabilities in a single unit with straightforward controls for efficient use. DDSbased precision and stability: uses DDS technology to deliver accurate frequency outputs with stable performance, suitable for precise calibration and repeatable experiments. Oscilloscope friendly for experiments and debugging: intended to be used in conjunction with an oscilloscope for electronic circuit experiments and debugging, helping verify circuit behavior across frequencies. Frequency sweep capability: well suited for oscilloscopebased sweep tests and dynamic signal analysis, enabling thorough circuit characterization. Key attributes and performance Function: direct digital synthesis enables controlled frequency output with stable characteristics for testing and measurement. Compatibility: designed to work with oscilloscopes for electronics experiments, debugging, and signal analysis. Size: compact and lightweight for easy transport and use in various settings. Performance: emphasizes precision and frequency stability to support reliable measurements and repeatable results. Use scenarios Electronics circuit development: quickly generate reference frequencies to test gain, bandwidth, and frequency response of amplifiers, filters, and other circuit blocks. Debugging and calibration: apply stable, known frequency inputs to diagnose issues, align components, and validate system performance. Educational demonstrations: illustrate DDSbased frequency generation and sweep concepts in classroom or training environments, providing clear, repeatable signals for demonstrations. This description preserves the emphasis on small size, multifunctionality, ease of use, DDS precision, frequency stability, and compatibility with oscilloscopebased testing, while outlining practical applications in electronics experiments, debugging, and education.