Vaunix LDA-133

10 - 13GHz MHz High Resolution Digital Attenuator
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The LDA-133 Digital Attenuator is a bidirectional, 50 Ohm step attenuator. It provides fast attenuation changes from 10 to 13000 MHz with a step size of 0.5 dB and 63 dB of control range. All attenuators are easily programmable for fixed attenuation, swept attenuation ramps and fading profiles directly from the included Graphical User Interface (GUI). Alternatively, for users wishing to develop their own interface, Vaunix supplies LabVIEW drivers, Windows API DLL files, Linux drivers, Python examples and much more.


  • 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, Microwave Radio and Satcom Fading Simulators
  • Engineering/Production Test Labs
  • Automated Test Equipment (ATE)


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