IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543
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A multi-channel current-mode CMOS optical receiver array for active optical HDMI cables
Seung Hoon KimJihye ShinJinju LeeXiao YingHanbyul ChoiKyungmin LeeChaerin HongSang-Bock ChoSung Min Park
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2014 Volume 11 Issue 23 Pages 20140927

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Abstract

This paper introduces a four-channel optical receiver array implemented in a standard 1P4M 0.18 µm CMOS technology for the applications of active optical HDMI cables. Each channel consists of a current-mirror transimpedance amplifier, a five-stage differential limiting amplifier, and an output buffer, demonstrating 81-dBΩ transimpedance gain, 1.8-GHz bandwidth even with 0.5-pF photodiode capacitance, −18.3-dBm optical sensitivity for 10−12 BER & 0.6-A/W responsivity, and 51.7-mW power dissipation from a single 1.8-V supply. The whole chip occupies the area of 1.35 × 2.46 mm2 including pads. The measured eye-diagrams of the array confirms wide and clear eye-openings up to 4.0-Gb/s operations.

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© 2014 by The Institute of Electronics, Information and Communication Engineers
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