A 1.8Gb/s/ch 10mW/ch -23dB crosstalk eight-channel transimpedance amplifier array for LADAR systems

Sang Gyun Kim, Seunghwan Jung, Xiao Ying, Hanbyul Choi, Yun Seong Eo, Sung Min Park

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

7 Scopus citations

Abstract

This paper presents an eight-channel inverter transimpedance amplifier (INV-TIA) array realized in a standard 0.18μm CMOS technology for the applications of linear laser detection and ranging (LADAR) systems. For comparison purposes, a couple of multi-channel TIA arrays including a four-channel current-mirror transimpedance amplifier (CM-TIA) array, and a four-channel INV-TIA array are demonstrated together. A typical linear LADAR system mandates a compact high-speed read-out integrated circuit (ROIC) to capture the reflected lights from a target. Therefore, the design approach of a conventional current-mode TIA is an easier way. However, the crosstalk performace between channels of the current-mode TIAs gets seriously detrimental in accordance with increasing frequencies. Hence, we exploit a voltage-mode INV-TIA array in this work so as to lower the crosstalk between channels for comparable gain, bandwidth, and power consumption characterstics.

Original languageEnglish
Title of host publicationISOCC 2013 - 2013 International SoC Design Conference
PublisherIEEE Computer Society
Pages115-118
Number of pages4
ISBN (Print)9781479911417
DOIs
StatePublished - 2013
Event2013 International SoC Design Conference, ISOCC 2013 - Busan, Korea, Republic of
Duration: 17 Nov 201319 Nov 2013

Publication series

NameISOCC 2013 - 2013 International SoC Design Conference

Conference

Conference2013 International SoC Design Conference, ISOCC 2013
Country/TerritoryKorea, Republic of
CityBusan
Period17/11/1319/11/13

Keywords

  • array
  • CMOS
  • Crosstlak
  • LADAR
  • Multi-channel
  • Optical receiver
  • Transimpedance amplifier

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