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IEICE TRANSACTIONS on Electronics

Current-Mode Transceiver with Nonfeedback Clock Recovery Capability for Mobile Applications

Takefumi YOSHIKAWA, Tetsuhiro OGINO, Makoto NAGATA

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Summary :

The novel low-power and low-EMI-noise current-mode data transceiver described here, which has a multilevel current driver in the transmitter (TX) and a low-input impedance I-V converter in the receiver (RX). No-feedback clock recovery in the RX is achieved by using multi-levels of a driving current from TX to specify a single bit boundary. The I-V converter suppresses voltage swing in the transmission line and generates a multi-level voltage signal according to the level of the submilliampere driving current it receives. Measurement shows a small voltage swing ( 20 mV) with 150-µA and 450-µA drive currents at 625 Mbps. The simple clock-recovery system and low driving current allow the transceiver to operate with a single 1.5-V power supply and use only 3.5 mW at 625 Mbps.

Publication
IEICE TRANSACTIONS on Electronics Vol.E91-C No.9 pp.1453-1462
Publication Date
2008/09/01
Publicized
Online ISSN
1745-1353
DOI
10.1093/ietele/e91-c.9.1453
Type of Manuscript
Special Section PAPER (Special Section on Advanced Processors Based on Novel Concepts in Computation)
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