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Abstract

A device and method for regulating a sampling rate in a digital data transfer system includes transmitting a synchronizing word used for receiver-side regulation of the sampling rate at regular time intervals. The received signal is filtered by a rate-regulating criterion filter and is simultaneously detected to recognize the synchronizing word. The initial value of the rate-regulating criterion filter controls an adjusting logic for the sampling rate once the synchronizing word is recognized. A rate is formed for the initial value of the rate-regulating criterion filter and the rate undergoes high pass filtering before it is fed to the adjusting logic. An apparatus for controlling the sampling includes a clock control criterion filter, an adjustment logic device, a switch, an apparatus identifying the synchronization word, a magnitude formation circuit, and a high-pass filter. The formation circuit and the high-pass filter are disposed between the criterion filter and the logic device.

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