BERT (Bit Error Rate Tester‎)

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Anritsu

A bit error rate tester (BERT), also known as a bit error ratio tester[citation needed] or bit error rate test solution (BERTs) is electronic test equipment used to test the quality of signal transmission of single components or complete systems.

The main building blocks of a BERT are:

  • Pattern Generator, which transmits a defined test pattern to the DUT or test system
  • Error detector connected to the DUT or test system, to count the errors generated by the DUT or test system
  • Clock signal generator to synchronize the pattern generator and the error detector
  • Digital communication analyser is optional to display the transmitted or received signal
  • Electrical-optical converter and optical-electrical converter for testing optical communication signals.