Product Description
Vaunix LSG-251-20 USB Programmable RF Signal Generator
This is a Vaunix LSG-251-20, a compact, USB-powered programmable RF signal generator covering 250 kHz to 20 GHz with a typical output power of 0 dBm. Designed for benchtop testing, ATE (Automated Test Equipment) systems, and field applications, this generator provides a cost-effective solution for RF testing, calibration, and prototyping. Sold AS IS for parts, repair, or engineering evaluation.
Key Specifications (Per Manufacturer):
-
Model: Vaunix LSG-251-20
-
Frequency Range: 250 kHz to 20 GHz
-
Output Power: Up to 0 dBm (adjustable, typical)
-
Interface: USB 2.0/3.0 for control and power (bus-powered)
-
Connector: SMA female output
-
Control: Programmable via Vaunix GUI software or SCPI commands (drivers available online)
-
Features: Phase-continuous sweeping, list mode, AM/FM/PM modulation capability
-
Applications: RF component test, satellite comms testing, LO replacement, education, production testing
Potential Uses:
-
RF Test Bench Repair: Donor unit for restoring an identical Vaunix signal generator.
-
Component Salvage: High-quality YIG oscillator, synthesizer ICs, RF amplifiers, attenuators, and SMA connector.
-
ATE System Spare: Keep as a backup for automated test systems using Vaunix equipment.
-
Educational/Prototyping: For teaching RF principles or prototyping wireless systems (if functional).
Important Notes:
-
Software Dependent: Requires Vaunix Lab Brick software (free download) and USB drivers for operation.
-
Bus-Powered: Draws power from USB port; ensure host can provide sufficient current.
-
Calibration: Performance specifications are not guaranteed; may require calibration.
-
Expertise Suggested: Suitable for RF engineers, lab technicians, or electronics hobbyists with test equipment experience.



