FNIRSI WaveGen SG-004A – Multi-Functional Signal Generator

Versatile DDS-Based Waveform Output Device for Electronics Testing, Development, and Frequency Simulation

Product Overview:

The FNIRSI WaveGen SG-004A is a professional-grade multi-functional signal generator designed for engineers, educators, technicians, and DIY electronics enthusiasts. Powered by DDS (Direct Digital Synthesis) technology, this compact yet capable device generates accurate and stable sine, square, triangle, and pulse waveforms—making it an essential tool for signal simulation, circuit testing, and embedded development.

With its precise frequency control, user-friendly interface, and wide output range, the SG-004A is ideal for tasks ranging from amplifier testing to microcontroller input simulation. Whether you're fine-tuning analog circuitry, validating filters, or experimenting with timing pulses, the WaveGen SG-004A delivers high signal integrity and consistent performance in a portable, durable form factor.

Key Features:

Wide Signal Compatibility

• Generates Sine, Square, Triangle, and Pulse waveforms.

• Suitable for both analog and digital circuit applications.

• Output frequency ranges up to several MHz (model-dependent).

DDS Technology for Stable Output

• Utilizes Direct Digital Synthesis for superior signal stability and low distortion.

• Maintains precise frequency across temperature and voltage variations.

Precision Frequency Control

• Fine adjustment knobs or buttons for frequency, amplitude, and duty cycle.

• Ideal for waveform simulation, function testing, and prototyping.

Compact, Rugged Design

• Small footprint for benchtop or mobile use.

• Durable case suitable for lab, classroom, or field environments.

User-Friendly Interface

• Clear digital display for real-time frequency feedback.

• Intuitive controls for fast waveform setup and switching.

Versatile Output Options

• Adjustable amplitude and duty cycle.

• TTL-level compatibility for microcontroller and logic-level circuits.

• Multiple output ports for flexible signal routing.

Technical Specifications:

Common Applications:

• Signal simulation for analog and digital circuits

• Function testing of amplifiers, filters, and sensors

• Clock input for microcontroller or FPGA circuits

• Frequency response analysis

• Audio and waveform prototyping

• Educational lab experiments and demonstrations