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Design considerations for a range image sensor containing a PSD-array and an on-chip multiplexer

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3 Author(s)
de Bakker, M. ; Fac. of Appl. Phys., Delft Univ. of Technol., Netherlands ; Verbeek, P.W. ; Steenvoorden, G.K.

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 μm 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

Published in:

3-D Digital Imaging and Modeling, 1997. Proceedings., International Conference on Recent Advances in

Date of Conference:

12-15 May 1997