Industrial Electronics

New USB-controlled Programmable Attenuator

18 September 2018

JFW Industries has introduced its newest USB-controlled programmable RF Attenuator. The 50P-2068 is Source: JFW Industries Source: JFW Industries adjustable from 0 to 31 dB in 1 dB increments and operates from 100 MHz to 18 GHz. A simple USB interface allows for easy programming and the software can be used to control multiple JFW USB components at once. Managed Dot Net 4.0 libraries and Python 3 support is also available.

USB Test Software Features:

  • Test software manual available for download.
  • Auto-discovery of any JFW USB attenuators connected to the computer.
  • Control attenuator(s) using a slider bar, increment buttons or manually entering the attenuation value.
  • Set persistent device names for better organization of complex test scenarios.
  • Create test scripts that can control many attenuators.
  • Fade and Handover commands can be executed in Sequential or Synchronous mode.
  • Saving and loading of scripts in JSON format.
  • Requires Microsoft Windows Vista or greater.
  • Requires Dot Net Framework 4.0 or greater.

Python Library Available

To control the USB attenuators using Python instead of the standard Windows-based test program, JFW offers a Python library ( Email the engineering department for the Python library and for examples.

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