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An application specific PSD implemented using standard CMOS technology

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2 Author(s)
A. Makynen ; Dept. of Electr. Eng., Oulu Univ., Finland ; J. Kostamovaara

A 2-axis optical position sensitive detector (PSD) suitable for a single chip application-specific implementation of CMOS position sensing systems is reported. The PSD is comprised of an area array of discrete p-n photodiodes and two arrays of MOS transistors. The test results show that besides providing the possibility to optimize position-sensing resolution for a particular application, the linearity of a CMOS PSD is also markedly better than that of a conventional PSD manufactured using dedicated technologies

Published in:

Electronics, Circuits and Systems, 1998 IEEE International Conference on  (Volume:1 )

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