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1-Gb/s readout amplifier array for panoramic scan ladar systems

Title
1-Gb/s readout amplifier array for panoramic scan ladar systems
Authors
Kim D.Park S.M.
Ewha Authors
박성민
SCOPUS Author ID
박성민scopus
Issue Date
2016
Journal Title
Transactions of the Korean Institute of Electrical Engineers
ISSN
1975-8359JCR Link
Citation
vol. 65, no. 3, pp. 452 - 456
Keywords
ArrayCMOSFeedforwardLADARReplicaTransimpedance amplifier
Publisher
Korean Institute of Electrical Engineers
Indexed
SCOPUS; KCI scopus
Abstract
In this paper, a dual-channel readout amplifier array is realized in a standard 0.18 μm CMOS technology for the applications of panoramic scan LADAR systems. Each channel consists of a PIN photodiode with 0.9 A/W responsivity and a 1.0 Gb/s readout amplifier(ROA). The proposed ROA shares the basic configuration of the previously reported feedforward TIA, except that it exploits a replica input to exclude a low pass filter(LPF), thus reducing chip area and improving integration level, and to efficiently reject common-mode noises. Measured results demonstrate that each channel achieves 70 dBΩ transimpedance gain, 829 MHz bandwidth, -22 dBm sensitivity for 10-9 BER, -34 dB crosstalk between adjacent channels, and 45 mW power dissipation from a single 1.8 V supply. © The Korean Institute of Electrical Engineers.
DOI
10.5370/KIEE.2016.65.3.452
Appears in Collections:
엘텍공과대학 > 전자공학과 > Journal papers
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