A 10-channel 300-Mb/s/ch replica TIA array with equalizer in 0.18-μm CMOS

He Ying, Chaerin Hong, Kyungmin Lee, Dayoung Kim, Seung Hoon Kim, Sung Min Park

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

1 Scopus citations

Abstract

This paper presents a 10-channel optical receiver array for Near-InfraRed Spectroscopy (NIRS) Systems. Each channel consists of a replica transimpedance amplifier (TIA) followed by an adjustable linear equalizer (EQ). The replica TIA achieves a high transimpedance gain of 94.6 dBω and a bandwidth of 85 MHz. To obtain wider bandwidth, a two-stage fully differential equalizer with tunable capacitor banks is exploited. Post-layout simulations reveal the total transimpedance gain of 100 dBω, the -3-dB bandwidth of 200 MHz, and the input noise current spectral density of 2 pA/√Hz for the DC current consumption of 9.4 mW per channel with a single 1.8-V supply. The proposed front-end of NIRS preamplifier is implemented using 0.18-μm CMOS technology.

Original languageEnglish
Title of host publicationISOCC 2015 - International SoC Design Conference
Subtitle of host publicationSoC for Internet of Everything (IoE)
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages329-330
Number of pages2
ISBN (Electronic)9781467393089
DOIs
StatePublished - 8 Feb 2016
Event12th International SoC Design Conference, ISOCC 2015 - Gyeongju, Korea, Republic of
Duration: 2 Nov 20155 Nov 2015

Publication series

NameISOCC 2015 - International SoC Design Conference: SoC for Internet of Everything (IoE)

Conference

Conference12th International SoC Design Conference, ISOCC 2015
Country/TerritoryKorea, Republic of
CityGyeongju
Period2/11/155/11/15

Bibliographical note

Publisher Copyright:
© 2015 IEEE.

Keywords

  • CMOS
  • EQ
  • NIRS
  • TZ gain
  • bandwidth
  • replica TIA

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