Paper

Quaternary partial-response class-IV transceiver for 125 Mbit/s data transmission over unshielded twisted-pair cables: Principles of operation and VLSI realization

Abstract

An experimental transceiver for full-duplex transmission at a rate of 125 Mbit/s over unshielded twisted-pair cables of ordinary voice-grade quality is presented for use in a fiber distributed data interface (FDDI) network. Quaternary partial response class IV overall channel signaling with near end crosstalk cancellation and maximum likelihood sequence detection is employed.

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