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Design of CMOS Optical Link Receiver for FTTH  

Kim Kyu-Chull (Dept. of ECE, Graduate School, Dankook University)
Publication Information
Abstract
This paper presents a CMOS optical receiver design featuring wide input dynamic range and low bit error rate suitable for FTTH application. We achieved 60dB input dynamic range for up to 100Mbps by controlling the PMOS feedback resistance of transimpedance preamplifier according to its output signal level. Auto-bias circuit is designed in current mirror configuration to minimize duty error. Circuit simulation has been performed using 2-poly, 3-metal, 0.6um CMOS process parameters. The designed receiver consumes less than 130mW at 100Mbps with 5V power supply.
Keywords
optical receiver; transimpedance amplifier; automatic gain control; automatic bias control; FTTH;
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