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Description: The PCM-4 is reference measuring sets which can be used to determine characteristics between the analog and digital levels (“half channel” measurements) with excellent speed and precision. The instruments include built-in self-tests and calibration routines to handle the demanding requirements placed on test and measurement equipment by the digital systems used in transmission and switching. Key Specifications: • Chaining of setups to form automatic test sequences • A-A, A-D, D-A, D-D measurements (“half channel” and “full-channel”) • Digital signal processing for speed and precision • Graphical display of application-specific tolerance masks • Out-of-band measurements up to 128 kHz
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