Introducing the Vaunix BLX-403-20: A High-Performance Signal Generator for Modern Test Environments

Vaunix has introduced the BLX-403-20, an advanced Lab Brick® Signal Generator designed for engineers and test environments requiring precise and repeatable microwave signal generation. Covering a wide frequency range from 500 MHz to 40 GHz with a 100 Hz frequency resolution, this compact and highly functional device is ideal for a variety of RF and microwave applications.

Key Features and Benefits

The BLX-403-20 delivers high-performance signal generation while maintaining portability and ease of use. Some of its standout features include:

• USB and Ethernet control for flexible operation
• 100 Hz frequency resolution for fine-tuned signal generation
• +20 dBm output power with 50 dB control range
• Internal and external 10 MHz reference support
• Pulse modulation capabilities for advanced testing scenarios
• Compact design, fitting a single rack unit for Automated Test Equipment (ATE) applications

The unit is controlled via USB or Ethernet, allowing seamless integration with Windows, Linux, and embedded systems without the need for specialized drivers.

Applications

The BLX-403-20 is well-suited for a variety of use cases, including:

• Portable Local Oscillator (LO) source – Ideal for field and laboratory testing
• Engineering and production test labs – Ensuring repeatable and accurate signal generation
• Automated Test Equipment (ATE) – Perfect for automated and remote-controlled test setups
• Wireless communication testing – Supporting Wi-Fi, Wi-Fi 6E, 4G, 5G, and LTE applications

Intuitive Control and Integration

Vaunix provides an easy-to-use Graphical User Interface (GUI), enabling users to configure the frequency, power, and modulation settings effortlessly. The device also supports advanced frequency sweeping, pulse modulation, and bidirectional frequency sweeps.

For those integrating the BLX-403-20 into automated test systems, Vaunix offers:

• LabVIEW drivers
• Windows API DLL files
• Linux drivers
• Python example scripts

Reliable Performance in a Compact Design

Engineered for high stability and low phase noise, the BLX-403-20 maintains exceptional performance across its entire frequency range. Its solid-state design ensures long-term reliability, making it an excellent choice for demanding RF and microwave testing environments.

Conclusion

The Vaunix BLX-403-20 Lab Brick® Signal Generator is a powerful, flexible, and cost-effective solution for engineers and test facilities requiring high-frequency, precision signal generation. Whether for wireless communication testing, automated test environments, or production labs, this versatile signal generator is designed to meet the demands of modern RF applications.

For more information, visit www.vaunix.com

If you are looking for a USB controlled Signal Generator that covers the frequency range from 0.5-40GHz with an output power of +20dBm, please feel free to send us your request. We are happy to assist you with our quotes.

Please click below to download the latest sheet of the BLX-403-20