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Programmable Attenuators - Software & Documentation Resources


Resource Version Download Description / Instructions
GUI Setup Package F5 Latest version of the GUI application software for Windows
.NET DLL May 15, 2022 Recommended API for USB control from a Microsoft Windows PC supporting the .Net framework.
No DLL registration required.
  • .Net 4.5 and above: mcl_RUDAT_NET45.dll
  • Earlier .Net versions: mcl_RUDAT64.dll
  • ActiveX DLL May 15, 2022 Legacy API for USB control from a Microsoft Windows PC where the .Net framework is not supported. DLL must be registered using RegSvr32.
    User Guide
    (RCDAT, RUDAT, ZVVA series)
    M Instructions for the setup and operation of Mini-Circuits' single-channel programmable attenuator models (hardware & software)
    User Guide
    (RC4DAT, RC8DAT series)
    B Instructions for the setup and operation of Mini-Circuits' multi-channel programmable attenuator models (hardware & software)
    Programming Manual C9 Full programming instructions for automation via a range of control methods:
  • Ethernet control API using SSH / HTTP / Telnet (all operating systems)
  • USB control API for Microsoft Windows (.Net / ActiveX DLLs)
  • USB control via Direct Programming (Linux)
  • Programming Examples Search Examples... Search and download examples for a range of languages (including Python, LabVIEW, C#, VB & MatLab)


    RUDAT Series, RCDAT Series, RC4DAT Series, RC8DAT Series, ZVVA Series

    All products are shipped with the latest available firmware and an update is usually not required. Mini-Circuits occasionally makes firmware update files available as a courtesy to add additional features or correct known issues. Please contact testsolutions@minicircuits.com for details.