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A 0.18 µm CMOS 12 Gb/s 10-PAM Serial Link Transmitter

Bongsub SONG, Kwangsoo KIM, Jinwook BURM

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Summary :

A 12 Gb/s 10-level pulse amplitude modulation (PAM) serial-link transmitter was implemented using a 0.18 µm CMOS process. The proposed 10-PAM transmitter achieves a channel efficiency of 4 bit/symbol by dual-mode amplitude modulations using 10 differential-mode levels and 3 common-mode levels. The measured maximum data-rate was 12 Gb/s over 0.7-m cable and 2-cm printed circuit board (PCB) traces. The entire transmitter consumes 432 mW such that the figure of merit of the transmitter is 36 pJ/bit. The present work demonstrates the greater channel efficiency of 4 bit/symbol than the currently reported multi-level PAM transmitters.

Publication
IEICE TRANSACTIONS on Electronics Vol.E94-C No.11 pp.1787-1793
Publication Date
2011/11/01
Publicized
Online ISSN
1745-1353
DOI
10.1587/transele.E94.C.1787
Type of Manuscript
PAPER
Category
Electronic Circuits

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