Pub. Date:
Elsevier Science
Hall-Effect Sensors: Theory and Application / Edition 2

Hall-Effect Sensors: Theory and Application / Edition 2

by Edward Ramsden
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Product Details

ISBN-13: 9780750679343
Publisher: Elsevier Science
Publication date: 02/01/2006
Pages: 266
Product dimensions: 0.63(w) x 6.14(h) x 9.21(d)

About the Author

Ed Ramsden is an electrical engineer who has been working with Hall effect sensors since 1988. His experience ranges from designing Hall effect integrated circuits to developing novel magnetic processing techniques. He has written over a dozen technical articles on sensor-related topics, and he holds four U.S patents in the area of magnetic sensor technology.

Table of Contents

1. Hall Effect Physics
The theory and math behind the Hall effect.
2. Practical Hall Effect Transducers
Key characteristics, integrated Hall transducers, transducer geometry, examples.
3. Transducer Interfacing
Modeling Hall transducers, biasing, amplifiers, temp. compensation, offset adjustment.
4. Integrated Sensors, Linear and Digital Devices
Linear sensors, switches and latches, speed sensors, application-specific devices.
5. Interfacing to Integrated Hall Sensors
Interface issues, line driver circuits, the pull-up resistor, interfacing to standard logic devices, discrete logic, driving loads, LED interface, incandescent lamps, relays, solenoids, and inductive loads, wiring reduction schemes, encoding and serialization, digital to analog encoding, voltage regulation and power management.
6. Proximity Sensing Techniques
Head-on sensing, slide-by sensing, magnet null-point sensing, float-level sensing, linear position sensing, rotary position sensing, Vane switches,
7. Current Sensing
Resistive current sensing, free-space current sensing, toroidal current sensors, digital current sensor, closed-loop current sensors.
8. Speed and Timing Sensors
Competitive technologies, magnetic targets, vane switches, geartooth sensing, single-point sensing, differential fixed threshold, differential variable-threshold, speed and direction sensing.
9. Application-Specific Hall Sensor ICs
Micro-power switches, two-wire switches, networkable sensors, power devices, smart motor control.
10. Development Tools for Hall Effect Sensors
Electronic bench equipment, magnetic instrumentation, mechanical tools, magnetic simulation software.
Appendix A. Brief Introduction to Magnetics
Appendix B. Suppliers List
References and Bibliography

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