30 June 2005 Linearisation for analogue optical links using integrated CMOS predistortion circuits
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Abstract
The demand for high-speed communications is growing exponentially. Recent trends in the integration of entire systems-on-chip have spurred the development of Fibre-To-The-Home (FTTH) network for high-speed data and video services. This paper presents a predistortion circuit that integrates all of the functions necessary to implement a high linearity distribution point system for broadband optical fibre communications. The single CMOS chip includes a variable gain amplifier and a predistortion circuit. The circuits have been implemented with 0.35μm CMOS technology and simulation shows that the power consumption is 86mW with a 3.3V supply. The systems and circuits are detailed and their application to analogue optical links discussed.
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Fu-Chuan Lin, David M. Holburn, "Linearisation for analogue optical links using integrated CMOS predistortion circuits", Proc. SPIE 5837, VLSI Circuits and Systems II, (30 June 2005); doi: 10.1117/12.608759; https://doi.org/10.1117/12.608759
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