A multi-channel CMOS feedforward transimpedance amplifier array for LADAR systems

Seung Hoon Kim; Sung Min Park

doi:10.5370/KIEE.2015.64.12.1737

A multi-channel CMOS feedforward transimpedance amplifier array for LADAR systems

Seung Hoon Kim, Sung Min Park

Electronic and Electrical Engineering

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

A multi-channel CMOS transimpedance amplifier(TIA) array is realized in a 0.18-μm CMOS technology for the applications of panoramic scan LADAR systems. Each channel consists of a PIN photodiode and a feed-forward TIA that exploits an inverter input stage followed by a feed-forward common-source amplifier so as to achieve lower noise and higher gain than a conventional voltage-mode inverter TIA. Measured results demonstrate that each channel achieves 76-dBΩ transimpedance gain, 720-MHz bandwidth, and -20.5-dBm sensitivity for 10^-9 BER. Also, a single channel dissipates the power dissipation of 30 mW from a single 1.8-V supply, and shows less than -33-dB crosstalk between adjacent channels.

Original language	English
Pages (from-to)	1737-1741
Number of pages	5
Journal	Transactions of the Korean Institute of Electrical Engineers
Volume	64
Issue number	12
DOIs	https://doi.org/10.5370/KIEE.2015.64.12.1737
State	Published - Dec 2015

Bibliographical note

Publisher Copyright:
© The Korean Institute of Electrical Engineers.

Keywords

Array
CMOS
LADAR
PIN photodiode
TIA

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10.5370/KIEE.2015.64.12.1737

Cite this

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abstract = "A multi-channel CMOS transimpedance amplifier(TIA) array is realized in a 0.18-μm CMOS technology for the applications of panoramic scan LADAR systems. Each channel consists of a PIN photodiode and a feed-forward TIA that exploits an inverter input stage followed by a feed-forward common-source amplifier so as to achieve lower noise and higher gain than a conventional voltage-mode inverter TIA. Measured results demonstrate that each channel achieves 76-dBΩ transimpedance gain, 720-MHz bandwidth, and -20.5-dBm sensitivity for 10-9 BER. Also, a single channel dissipates the power dissipation of 30 mW from a single 1.8-V supply, and shows less than -33-dB crosstalk between adjacent channels.",

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A multi-channel CMOS feedforward transimpedance amplifier array for LADAR systems

Abstract

Bibliographical note

Keywords

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