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A Multi-Channel Gigabit CMOS Optical Transmitter Circuit  

Tak, Ji-Young (Department of Electronics Eng., Ewha Womans University)
Kim, Hye-Won (Department of Electronics Eng., Ewha Womans University)
Shin, Ji-Hye (Department of Electronics Eng., Ewha Womans University)
Lee, Jin-Ju (Department of Electronics Eng., Ewha Womans University)
Park, Sung-Min (Department of Electronics Eng., Ewha Womans University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea SD / v.48, no.12, 2011 , pp. 52-57 More about this Journal
Abstract
This paper presents a 4-channel optical transmitter circuit realized in a $0.18{\mu}m$ CMOS technology for high-speed digital interface. Particularly, the VCSEL driver exploits the feed-forward technique, and the pre-amplifier employs the pulse-width control. Thus, the optical transmitter operates at the bias current up to 4mA and the modulation current from $2{\sim}8mA_{pp}$. with the pulse-width distortion compensated effectively. The 4-channel optical transmitter array chip occupies the area of $1.0{\times}1.7mm^2$ and dissipates 35mW per channel at maximum current operations from a single 1.8V supply.
Keywords
CMOS; feed-forward; multi-channel; optical transmitter; pulse-width control;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
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