How does it work and what does the HD COAX CABLE REFLECTOMETER software APP

The application “HD COAX CABLE REFLECTOMETER” available for the ROVER instruments of the HD series, allows to check the correct impedance matching of a 75Ω distribution installation.

Through the use of a ROVER instrument, combined with a calibrated noise generator (for example the ROVER CNG 90), if in a distribution installation there was an impedance mismatch, such as a cable short-circuit, a cable cut or a not properly terminated cable to a 75 ohm dummy load, it will create a standing wave pattern that can be seen on the spectrum of the instrument as shown in the figure below.

After setting in the configuration MENU the electrical characteristics of coaxial cable under test, and placing the two spectrum markers (MRK1.FREQ and MRK2.FREQ) exactly on the two valleys shown on the spectrum, the “DISTANCE” field that appears at the bottom left side of the screen indicates at which distance the mismatch appears to be, for example, for a coaxial cable down drop interruption.

ROVER HD Serie APP Riflettometro 2013 IT
ROVER HD Series – SW REFLECTOMETER application


The REFLECTOMETER application SW is available for the HD Series instruments;
MENU (written and graphic) of the figures shown in the following “F.A.Q.” may vary from model to model without notice.

  • Click here if you want to download the "Technical instructions on how to use the SW REFLECTOMETER" in your HD or PRO measurement equipment in pdf format;
  • Click here If you are interested in purchasing the "REFLECTOMETER" SW application ;
  • If you want to know how to load the "REFLECTOMETER" SW application in your instrument, please read the relative "F.A.Q.".

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