A CMOS rotary encoder system based on magnetic pattern analysis with a resolution of 10b per rotation

A single-chip CMOS magnetic rotary encoder system based on magnetic pattern analysis is presented. Magnetic sensor arrays are integrated with ADCs and DSP circuits and fabricated in a standard 0.25 /spl mu/m CMOS technology. The chip detects the rotation angle within an error of /spl plusmn/0.36 deg...

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Main Authors: Kawahito, S., Takahashi, T., Nagano, Y., Nakano, K.
Format: Conference Proceeding
Language:English
Subjects:
Automotive engineering
Circuits
Impurities
Magnetic devices
Magnetic sensors
Magnetic separation
Pattern analysis
Sensor arrays
Sensor systems
Switches
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creator Kawahito, S.
Takahashi, T.
Nagano, Y.
Nakano, K.
description A single-chip CMOS magnetic rotary encoder system based on magnetic pattern analysis is presented. Magnetic sensor arrays are integrated with ADCs and DSP circuits and fabricated in a standard 0.25 /spl mu/m CMOS technology. The chip detects the rotation angle within an error of /spl plusmn/0.36 degrees (10b per rotation).
doi_str_mv 10.1109/ISSCC.2005.1493958
format conference_proceeding
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source IEEE Electronic Library (IEL) Conference Proceedings
subjects Automotive engineering
Circuits
Impurities
Magnetic devices
Magnetic sensors
Magnetic separation
Pattern analysis
Sensor arrays
Sensor systems
Switches
title A CMOS rotary encoder system based on magnetic pattern analysis with a resolution of 10b per rotation
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