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A Compact Implementation Scheme of 1-Dimensional PSDs with Double-Resolution Interpolation
Kunil CHOE Gunhee HAN
Publication
IEICE TRANSACTIONS on Electronics
Vol.E89-C
No.12
pp.1958-1961 Publication Date: 2006/12/01 Online ISSN: 1745-1353
DOI: 10.1093/ietele/e89-c.12.1958 Print ISSN: 0916-8516 Type of Manuscript: LETTER Category: Integrated Electronics Keyword: position sensitive detector, double resolution, interpolation, CMOS image sensor, pixel array, WTA,
Full Text: PDF(269.6KB)>>
Summary:
This paper proposes a compact interpolation scheme dedicated to a 1-dimensional position sensitive detector (PSD) with an optical sensing pixel array. The pixels are divided into even- and odd-numbered groups and winner take all (WTA) circuits are provided to each of the groups. The simulated results show that the detecting step-width is reduced to the half of the original one after applying the interpolation scheme.
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