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Electronic Interfaces for Differential Capacitive Sensors

Hardback
June 2020
9788770221504
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  • Publisher
    River Publishers
  • Published
    18th June
  • ISBN 9788770221504
  • Language English
  • Pages 200 pp.
  • Size 6" x 9"
  • Request Exam Copy
$115.00
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May 2020
9788770221498
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  • Publisher
    River Publishers
  • Published
    1st May
  • ISBN 9788770221498
  • Language English
  • Pages 200 pp.
  • Size 6" x 9"
$115.00

In a world where great efforts are spent designing and creating more complex, yet efficient systems, sensing elements and related readout circuits, which constitute an integral part of them, need to be designed fulfilling these constraints, beside the common key parameters, such as high sensitivity, resolution and accuracy. Capacitive sensors and their differential subset provide virtually no energy dissipation, show insensitivity to temperature variations and have the capability to be micromachined directly onto a silicon substrate, together with the readout interface. Designing a readout circuit that takes advantage of these benefits, according to any specific application, is thus of utmost importance. This volume introduces the reader to state-of-the-art techniques and research achievements in interfacing differential capacitance sensors.

Technical topics discussed in the book include:

  • Switched capacitor based interfaces;
  • Voltage mode, differential capacitance to time, voltage, digital converters;
  • Current mode interfaces based on standard components;
  • Current mode interfaces based on CCIIs and VCIIs;
  • Principles of second generation current and voltage conveyors.
This book gives the reader a comprehensive overview on the working principles, equivalent circuit models and most advanced interfacing techniques for differential capacitive transducers, highlighting benefits and downsides of each option. Electronic Interfaces for Differential Capacitive Sensors is an ideal text for academic staff and Masters/research students in electronic and microelectronic engineering.

Preface

1. Introduction on sensor systems: transducers, sensors and electronic interfaces

2. Capacitive sensing

3. Voltage mode differential capacitive sensor interfaces

4. Current mode differential capacitive sensor interfaces

5. Auto-balanced bridge based differential capacitive sensor interfaces

Appendix

Second generation current and voltage conveyors: a short review

Gianluca Barile

Gianluca Barile is at Università degli Studi dell'Aquila, Italy.

Giuseppe Ferri

Giuseppe Ferri is at Università degli Studi dell'Aquila, Italy.

Vincenzo Stornelli

Vincenzo Stornelli is at Università degli Studi dell'Aquila, Italy.

Differential capacitive sensors, sensor interfaces, analog circuits, switched capacitors, auto-balanced bridges, synchronous demodulation, parasitic compensation, second generation current conveyor (CCII), second generation voltage conveyor (VCII)