Gigabit CMOS transimpedance amplifiers for optical communication applications

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

A number of gigabit transimpedance amplifiers are realized in submicron CMOS technologies. By exploiting regulated cascode (RGC) configuration for the input stage, the amplifiers efficiently isolate the large input parasitic capacitance and hence achieve significant bandwidth improvement. A 1.25-Gb/s RGC TIA demonstrates 950 MHz bandwidth for O.5 pF photodiode capacitance and the only 93 MHz difference even for 1 pF photodiode capacitance. Also, a 2.5-Gb/s RGC TIA realized in a 0.6 μm CMOS technology demonstrates 2.2 GHz bandwidth for O.5 pF photodiode capacitance, confirming the RGC mechanism. In addition, a differential RGC TIA is realized in a 0.25 μm CMOS technology. Optical measurements clearly show 1.25-Gb/s operation for 1 pF photodiode capacitance with 80 dBΩ transimpedance gain.

Original languageEnglish
Title of host publicationProceedings - KORUS 2003
Subtitle of host publication7th Korea-Russia International Symposium on Science and Technology
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages211-215
Number of pages5
ISBN (Electronic)8978686184, 9788978686181
StatePublished - 2003
Event7th Korea-Russia International Symposium on Science and Technology, KORUS 2003 - Ulsan, Korea, Republic of
Duration: 28 Jun 20036 Jul 2003

Publication series

NameProceedings - KORUS 2003: 7th Korea-Russia International Symposium on Science and Technology
Volume2

Conference

Conference7th Korea-Russia International Symposium on Science and Technology, KORUS 2003
Country/TerritoryKorea, Republic of
CityUlsan
Period28/06/036/07/03

Bibliographical note

Publisher Copyright:
© 2003 7th Korea-Russia Intl Sym on Science.

Keywords

  • Bandwidth
  • Capacitance measurement
  • CMOS technology
  • Gain measurement
  • Isolation technology
  • Optical amplifiers
  • Optical fiber communication
  • Parasitic capacitance
  • Photodiodes
  • Semiconductor optical amplifiers

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