| 摘要 |
An apparatus for adjusting bandwidth for a receiver includes: (a) a receiver clock operating according to receiver clock parameters related to received signals for sampling received signals; (b) a local clock; (c) a tracker receiving an indicator related to the receiver clock parameter and generating a tracking parameter for comparing the receiver clock parameter and periodicity of the local clock; (d) a counter for counting events associated with the tracking parameter and generating an event count relating to the received signals; (e) a decision unit for reckoning the event count and generate a decision parameter relating to the reckoning; and (f) output logic coupled with the decision unit, the tracker and the receiver clock for evaluating the decision parameter and the tracking parameter by a logical routine for determining a need for changing operation of the receiver clock and for generating a change signal when the need exists.
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