A Distortion-Free General Purpose LVDS Driver

Seung-Jin PARK  Young Hun SEO  Hong-June PARK  Jae-Yoon SIM  

Publication
IEICE TRANSACTIONS on Electronics   Vol.E92-C   No.2   pp.278-280
Publication Date: 2009/02/01
Online ISSN: 1745-1353
DOI: 10.1587/transele.E92.C.278
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Electronic Circuits
Keyword: 
LVDS,  output driver,  level-shifter,  simultaneous switching noise,  

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Summary: 
A general-purpose multi-Gbps LVDS driver is presented with a new distortion-free level conversion scheme. For high-speed transmission, a dynamic pre-emphasis scheme is also proposed with overdriving current effectively distributed in time. The proposed LVDS driver achieves supply-insensitive duty preservation with a reduction of switching noise by 50-percent.