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First International Conference on Recent Advances in 3-D Digital Imaging and Modeling (3DIM '97)
Design Considerations for a Range Image Sensor Containing a PSD-array and An On-chip Multiplexer
Ottawa, Ontario, Canada
May 12-May 15
ISBN: 0-8186-7943-3
M. de Bakker, Fac. of Appl. Phys., Delft Univ. of Technol., Netherlands
P.W. Verbeek, Fac. of Appl. Phys., Delft Univ. of Technol., Netherlands
G.K. Steenvoorden, Fac. of Appl. Phys., Delft Univ. of Technol., Netherlands
Abstract: In the present paper we introduce a range image sensor, the PSD-chip, designed for sheet of light range imaging. The image sensor consists of an array of 128 Position Sensitive Detector (PSD)-strips with a 20 mm length and a 28 /spl mu/m pitch. Design considerations for the image sensor are discussed, as well as the on-chip electronics. The on-chip electronics consists of an analog part and a digital part. The analog preamplifiers deal with the low-pass filtering of the sensor-signals in order to reduce the noise bandwidth. The digital part consists of an analog current multiplexer, implemented in ECL technology. Our goal is to achieve a 2 MHz range/frequency at 12 bits resolution.
Index Terms:
image sensors; range image sensor; PSD-array; on-chip multiplexer; PSD-chip; light range imaging; image sensor; analog preamplifiers; low-pass filtering; analog current multiplexer
Citation:
M. de Bakker, P.W. Verbeek, G.K. Steenvoorden, "Design Considerations for a Range Image Sensor Containing a PSD-array and An On-chip Multiplexer," 3dim, pp.11, First International Conference on Recent Advances in 3-D Digital Imaging and Modeling (3DIM '97), 1997
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