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공과대학
전자전기공학전공
Journal papers
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A multi-channel CMOS feedforward transimpedance amplifier array for LADAR systems
Title
A multi-channel CMOS feedforward transimpedance amplifier array for LADAR systems
Authors
Kim S.-H.
;
Park S.M.
Ewha Authors
박성민
SCOPUS Author ID
박성민
Issue Date
2015
Journal Title
Transactions of the Korean Institute of Electrical Engineers
ISSN
1975-8359
Citation
Transactions of the Korean Institute of Electrical Engineers vol. 64, no. 12, pp. 1737 - 1741
Keywords
Array
;
CMOS
;
LADAR
;
PIN photodiode
;
TIA
Publisher
Korean Institute of Electrical Engineers
Indexed
SCOPUS; KCI
Document Type
Article
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. © The Korean Institute of Electrical Engineers.
DOI
10.5370/KIEE.2015.64.12.1737
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