Electronic Interfaces for Differential Capacitive Sensors 8770221502, 9788770221504

  In a world where great efforts are spent designing and creating more complex, yet efficient systems, sensing elements

597 167 14MB

English Pages 200 [150] Year 2020

Report DMCA / Copyright

DOWNLOAD FILE

Electronic Interfaces for Differential Capacitive Sensors
 8770221502, 9788770221504

Table of contents :
Front Cover
Half Title
Series Page - RIVER PUBLISHERS SERIES IN ELECTRONIC MATERIALS AND DEVICES
Title Page
Copyright Page
Contents
Preface
List of Figures
List of Abbreviations
Chapter 1 - Introduction on Sensor Systems: Transducers, Sensors, and Electronic Interfaces
1.1 Sensors: A Brief Review
1.2 Sensor Parameters Overview
1.2.1 Static Parameters
1.2.2 Dynamic Parameters
1.3 Electronic Interfaces
1.3.1 Basic Principles
1.3.2 The Feedback in Sensor Interface
1.3.3 Autozero Technique
1.3.4 Chopper Technique
1.3.5 Dynamic Element Matching
References
Chapter 2 - Capacitive Sensing
2.1 Capacitive Sensors
2.1.1 Physical Properties
2.1.2 Basic Interfaces for Capacitive Sensors
2.2 Differential Capacitive Sensors
2.2.1 Physical Properties
2.2.2 Parametrization
2.2.3 Basic Interfaces for Differential Capacitive Sensors
2.2.4 Consideration on Parasitic Capacitances
References
Chapter 3 - Voltage Mode Differential Capacitive Sensor Interfaces
3.1 Step Measurement
3.2 Switchless Capacitance to Time Converters
3.3 Switchless Capacitance to Voltage Converters
3.4 Capacitance to Digital Interfaces
References
Chapter 4 - Current Mode Differential Capacitive Sensors Interfaces
4.1 Current Mode Theory of Operation
4.2 Standard Device Interfaces
4.3 CCII- and VCII-based Interfaces
References
Chapter 5 - Autobalanced Bridge-based Differential Capacitive Sensor Interfaces
5.1 The Autobalanced Bridge Architecture
5.2 Nonlinear Output Interface
5.3 Linear Output Interface
5.4 Parasitic Compensation in Autobalanced Bridge-based Differential Capacitive Sensor Interfaces
References
Appendix A: Second-generation Current and Voltage Conveyors: A Short Review
A.1 Second-generation Current Conveyor
A.1.1 CCII Nonidealities
A.1.2 CCII Topologies
A.2 Second-generation Voltage Conveyor
A.2.1 VCII Nonidealities
A.2.2 VCII Topologies
References
Index
About the Authors
Back Cover

Polecaj historie