A multi-channel current-mode cmos optical receiver array for active optical HDMI cables

Seung Hoon Kim, Jihye Shin, Jinju Lee, Xiao Ying, Hanbyul Choi, Kyungmin Lee, Chaerin Hong, Sang Bock Cho, Sung Min Park

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

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.

Original languageEnglish
Article number20140927
JournalIEICE Electronics Express
Volume11
Issue number23
DOIs
StatePublished - 13 Nov 2014

Bibliographical note

Publisher Copyright:
© IEICE 2014.

Keywords

  • Active optical cables
  • CMOS
  • Current mirror
  • Limiting amplifier
  • Transimpedance amplifier

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