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A $120-dB{\Omega}$ 8-Gb/s CMOS Optical Receiver Using Analog Adaptive Equalizer  

Lee, Dong-Myung (Department of Electrical and Electronic Eng., Yonsei University)
Choi, Boo-Young (Department of Information Electronics Eng., Ewha Womans University)
Han, Jung-Won (Department of Information Electronics Eng., Ewha Womans University)
Han, Gun-Hee (Department of Electrical and Electronic Eng., Yonsei University)
Park, Sung-Min (Department of Information Electronics Eng., Ewha Womans University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea SD / v.45, no.6, 2008 , pp. 119-124 More about this Journal
Abstract
Transimpedance amplifier(TIA) is the most significant element to determine the performance of the optical receiver, and thus the TIA must satisfy tile design requirements of high gain and wide bandwidth. In f)is paper, we propose a novel single chip optical receiver that exploits an analog adaptive equalizer and a limiting amplifier to enhance the gain and bandwidth performance, respectively. The proposed optical receiver is designed by using a $0.13{\mu}m$ CMOS process and its post-layout simulations show $120dB{\Omgea}$ transimpedance gain and 5.88GHz bandwidth. The chip core occupies the area of $0.088mm^2$, due to utilizing the negative impedance converter circuit rather than using on-chip passive inductors.
Keywords
Adaptive analog equalizer; limiting amplifier; negative impedance converter; optical receiver; transimpedance amplifier;
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