Communications device capable of adjusting power consumed thereby and method thereof, and Ethernet communications device
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United States of America Patent
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May 22, 2012
Grant Date -
Apr 15, 2010
app pub date -
Oct 7, 2009
filing date -
Oct 9, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A communications device is capable of adjusting power consumed thereby and includes a receiver and a control circuit. The receiver includes an analog-to-digital converter and a decoding circuit. The analog-to-digital converter receives receive-data from another communications device, converts the receive-data into a digital signal, and provides the digital signal to the decoding circuit for decoding. Based on the digital signal, the control circuit obtains a signaling index that indicates a communications quality of the receiver. The control circuit determines an operating state of the analog-to-digital converter and the decoding circuit in accordance with the signaling index and a receiving index. When the signaling index conforms with a reference range, the control circuit reduces a reference signal so as to reduce linearity of the analog-to-digital converter in accordance with the receiving index, and reduces a decoding capability of the decoding circuit in accordance with the receiving index.
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