FNIRSI TSG3020 Function Generator, 20 MHz/25 MHz DDS Signal Generator with 14-bit Resolution and USB-C

With a blazing 200 MSa/s sampling rate and 14-bit vertical resolution, the FNIRSI TSG3020 is a high-performance function generator that brings laboratory-grade signal generation to your workbench. Capable of producing sine waves up to 20 MHz, square waves up to 25 MHz, and arbitrary waveforms up to 6 MHz, this versatile instrument meets the demands of both hobbyists and professional electronics engineers.

Overview

The TSG3020 is a compact, digitally-controlled DDS signal generator designed for precise waveform synthesis. It features a 2.4-inch TFT color LCD for clear parameter display and effortless navigation. Its 160+ built-in waveforms and deep 8192-point arbitrary waveform memory allow for extensive testing and experimentation. The generator is powered via a standard USB-C port, making it a portable and convenient tool for on-the-go use or integration into a permanent setup.

What stands out

• High Sampling Rate: 200 MSa/s sampling ensures faithful reproduction of complex waveforms.
• 14-Bit Resolution: Delivers fine amplitude granularity for precise analog signals.
• Versatile Modulation: Supports AM, FM, PM, ASK, FSK, PSK, and PWM modulations for advanced testing.
• Wide Frequency Range: From 1 Hz to 25 MHz on square waves, covering most analog and digital applications.
• USB-C Powered: Simple and universal power source, ideal for mobile use.
• Built-in Frequency Counter: Measures frequencies up to 100 MHz, adding multi-functionality.

Technical details

• Channels: 1
• Max Sine Wave Frequency: 20 MHz
• Max Square Wave Frequency: 25 MHz
• Max Triangle Wave Frequency: 10 MHz
• Max Arbitrary Wave Frequency: 6 MHz
• Sampling Rate: 200 MSa/s
• Vertical Resolution: 14 bits
• Waveform Length: 8192 points
• Output Amplitude Range (50Ω): 1mVpp - 10Vpp
• Output Impedance: 50 Ω
• Built-in Waveforms: 160+ (Sine, Square, Triangle, Pulse, Arbitrary, etc.)
• Frequency Accuracy: ±20 ppm
• Frequency Stability: ±1 ppm/3 hours
• Modulation Types: AM, FM, PM, ASK, FSK, PSK, PWM
• Sweep Modes: Linear, Logarithmic
• Frequency Counter Range: 1 Hz - 100 MHz
• Display Type: 2.4-inch TFT Color LCD
• Power Supply: USB-C (DC 5V)
• DC Offset Range (50Ω): ±5V
• Phase Adjustment: 0-359.9°

Our verdict

The FNIRSI TSG3020 is a compact yet powerful signal generator that punches above its weight. With high sampling rate, 14-bit resolution, and extensive modulation options, it's an excellent choice for electronics enthusiasts and professionals seeking a portable, USB-C powered waveform generator.