USB Programmable Digital Attenuator

Featured Product from Vaunix Technology Corporation

USB Programmable Digital Attenuator-Image


  • Reliable and Repeatable solid state digital attenuation
  • Includes GUI, Windows and Linux SDK, LabVIEW driver
  • Programmable attenuation ramp and fading profiles
  • Operate multiple devices directly from a PC or self powered hub
  • Easily portable USB powered device
  • Sized to fit into a single rack unit for ATE applications



  • WiMAX, 3G, 4G, 5G, LTE, DVB, Microwave Radio Fading Simulators
  • Engineering/Production Test Labs
  • Automated Test Equipment (ATE)

8-Channel Digital Attenuator Covers 200 to 6,000 MHz
Vaunix Technology Corporation (, a manufacturer of programmable wireless network test devices, is pleased to announce the release of their new 8-channel high resolution Digital Attenuator, LDA906V-8.

The LDA906V-8 Digital Attenuator is a highly accurate, bidirectional, 8-channel step attenuator. The LDA-906V-8 provides calibrated attenuation from 200 to 6000 MHz with an amazing step size of 0.1 dB and typical accuracy of <0.25 dB over 90 dB of control range. The attenuator is specifically designed for errorless attenuation transitions in ultra-high speed 5G, WiFi and PTP networks.

Vaunix Lab Bricks use a native USB HID interface to avoid the difficulties inherent in using older serial or IEEE-488 interfaces implemented over USB. As a result, Lab Brick users can get to work faster without having to install kernel level drivers, and Lab Brick devices can be easily used on any system that supports USB HID devices, including low cost embedded computers using Linux or similar operating systems. 

The Vaunix Windows Graphical User Interface (GUI) enables easily programmable fixed attenuation, swept attenuation ramps and fading profiles. Alternatively, for users wishing to develop their own interface, Vaunix supplies LabVIEW drivers, Windows API DLL files, Linux drivers, Python examples and much more.

Learn more about LDA906V-8 and download the datasheet today here

About Vaunix |
Based in Newburyport, Massachusetts, Vaunix Technology Corporation designs, manufactures, and services RF and microwave test equipment and communications products. Their Lab Brick product family sets a new standard for cost, size, and simplicity for USB powered, programmable signal generators, attenuators, phase shifters, and switches.