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14.3-bit extended counting ADC with built-in binning function for medical X-ray CMOS imagers

Title
14.3-bit extended counting ADC with built-in binning function for medical X-ray CMOS imagers
Author
권오경
Keywords
X-ray imaging; image resolution; CMOS integrated circuits; medical image processing; analogue-digital conversion
Issue Date
2012-03
Publisher
IET
Citation
Electronics Letters, 2012, 48(7), P.361-363
Abstract
Proposed is a 14.3-bit extended counting analogue-to-digital converter (ADC) with built-in binning function for medical X-ray CMOS imagers. To reduce the area and improve the image resolution simultaneously, the proposed ADC internally performs the analogue binning operation without a charge amplifier. The ADC also uses an extended input range to realise true 14-bit dynamic range when applying the digital correlated double sampling technique. The proposed ADC was fabricated using a 0.35 mu m CMOS process and the measured differential and integral nonlinearities of the 14.3-bit ADC are +0.97/-0.79 and +2.79/-1.70 LSB, respectively.
URI
https://ieeexplore.ieee.org/document/6177765/http://repository.hanyang.ac.kr/handle/20.500.11754/69525
ISSN
0013-5194
DOI
10.1049/el.2012.0174
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ELECTRONIC ENGINEERING(융합전자공학부) > Articles
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