A 6 Gb/s low power transimpedance amplifier with inductor peaking and gain control for 4-channel passive optical network in 0.13 mm CMOS

Juri Lee, Hyung Gu Park, In Seong Kim, Younggun Pu, Keum Cheol Hwang, Youngoo Yang, Kang Yoon Lee, Munkyo Seo

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

This paper presents a 6 Gb/s 4-channel arrayed transimpedance amplifiers (TIA) with the gain control for 4-channel passive optical network in 0.13 mm complementary metal oxide semiconductor (CMOS) technology. A regulated cascode input stage and inductive-series peaking are proposed in order to increase the bandwidth. Also, a variable gain control is implemented to provide flexibility to the overall system. The TIA has a maximum 98.1 dBΩ gain and an input current noise level of about 37.8 pA/Hz. The die area of the fabricated TIA is 1.9 mm x 2.2 mm for 4-channel. The power dissipation is 47.64 mW/1ch.

Original languageEnglish
Pages (from-to)123-130
Number of pages8
JournalJournal of Semiconductor Technology and Science
Volume15
Issue number1
DOIs
StatePublished - 2015

Keywords

  • Gain control
  • Passive optical network
  • Regulated cascode
  • Transimpedance amplifiers (tia)

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