Receiver with dual D.C. noise cancellation circuits

Details Receiver with dual D.C. noise cancellation circuits Receiver with dual D.C. noise cancellation circuits

2007-08-14

2007-08-14

Gesesse, Tilahun (Department: 2618)

Telecommunications

Transmitter and receiver at separate stations

Distortion, noise, or other interference prevention,...

C455S226400, C455S151200, C375S319000

Reexamination Certificate

active

11028223

ABSTRACT:
A receiver for eliminating D.C. noise from a signal received from a communication channel includes an input circuit configured to receive an input signal. The receiver includes an error circuit configured to generate an error signal in accordance with the input signal from the input circuit. The receiver includes a first noise canceler responsive to the error circuit. The first noise canceler is configured to generate a first noise cancellation signal in response to the error signal from the error circuit. The receiver includes a second noise canceler responsive to the error circuit and the first noise canceler. The second noise canceler is configured to generate a second noise cancellation signal from the error signal from the error circuit and the first noise cancellation signal from the first noise canceler. The input circuit is responsive to the second noise cancellation signal from the second noise canceler.

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IEEE Std 802.3-2002 (Revision of IEEE Std. 802.3, 2000 Edition); IEEE Standard for Information technology-Telecommunications and information exchange between systems-Local and metropolitan area networks-Specific requirements-Part 3: Carrier sense multiple access with collision detection (CSMA/CD) access method and physical layer specifications; Sponsored by the LAN/MAN Standards Committee of the IEEE Computer Society; Mar. 8, 2002; 1538 pages.

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