A digital self-calibration circuit for optical rotary encoder microsystems

被引：0

作者：

Cherchi, F ^{[1
]}

Disingrini, L ^{[1
]}

Gregori, S ^{[1
]}

Torelli, G ^{[1
]}

Liberali, V ^{[1
]}

Gottardi, M ^{[1
]}

机构：

[1] Univ Pavia, Dept Elect, I-27100 Pavia, Italy

来源：

IMTC/2001: PROCEEDINGS OF THE 18TH IEEE INSTRUMENTATION AND MEASUREMENT TECHNOLOGY CONFERENCE, VOLS 1-3: REDISCOVERING MEASUREMENT IN THE AGE OF INFORMATICS | 2001年

关键词：

optical encoders; sensor interfaces; self-calibration;

D O I：

暂无

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

This paper describes a digital self-calibration circuit for optical rotary encoders. The circuit performs dynamic calculation of the threshold level used by the waveform-shaping section of the read-out channel. This avoids the need for manual calibration, provides thermal stabilisation, and prevents performance degradation. The proposed digital calibration system was integrated in a conventional 0.8-mum technology and was then experimentally evaluated.

引用

页码：1619 / 1624

页数：4

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