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An 80×60 range image sensor based on 10µm 50MHz lock-in pixels in 0.18µm CMOS

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6 Author(s)
Stoppa, D. ; Fondazione Bruno Kessler, IRST, Trento, Italy ; Massari, N. ; Pancheri, L. ; Malfatti, M.
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A lock-in pixel array based on a fast charge transfer pinned photo-detector for time-of-flight range imaging is presented. Distance measurements at 5-to-20 fps on a 6-to-3m range are reported with a linearity error lower than 0.7% and a repeatability of 5-to-16 cm, while the best achievable precision is 2.7 cm. A demodulation frequency up to 50 MHz is demonstrated with a contrast of 29.5%.

Published in:
Solid-State Circuits Conference Digest of Technical Papers (ISSCC), 2010 IEEE International

Date of Conference: 7-11 Feb. 2010

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