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Analog Electronics for Measuring Systems

Book Description

Many instrumentation engineers and scientists often deal with analog electronic issues when approaching delicate measurements. Even if off-the-shelf measuring solutions exist, comprehension of the analog behavior of the measuring system is often a necessity.
This book provides a concise introduction to the main elements of a low frequency analog acquisition chain. It aims to be sufficiently general to provide an introduction, yet specific enough to guide the reader through some classical problems that may be encountered in the subject. Topics include sensors, conditioning circuits, differential and instrumentation amplifiers, active filters (mainly for anti-aliasing purposes) and analog to digital converters. A chapter is devoted to an introduction to noise and electronic compatibility.
This work is intended for people with a general background in electronics and signal processing, who are looking for an introduction to classical electronic solutions employed in measuring instruments involving low frequency analog signal processing.


Table of Contents

  1. Cover
  2. Title
  3. Copyright
  4. Introduction
    1. I.1. Purpose
    2. I.2. Prerequisites
    3. I.3. Scope of the book
    4. I.4. Conventions for schematics and voltages
    5. I.5. Acknowledgments
  5. 1 Fundamentals of Sensing and Signal Conditioning
    1. 1.1. Introduction
    2. 1.2. Voltage generating sensors
    3. 1.3. Current generating sensors
    4. 1.4. Charge generating sensors
    5. 1.5. Resistive sensors
    6. 1.6. Reactive sensors
    7. 1.7. Conclusion
  6. 2 Amplification and Amplifiers
    1. 2.1. Introduction
    2. 2.2. Introduction to operational amplifiers
    3. 2.3. Limitations of real operational amplifiers
    4. 2.4. Instrumentation amplifiers
    5. 2.5. Isolation amplifiers
    6. 2.6. Conclusion
  7. 3 Elements of Active Filter Synthesis
    1. 3.1. Introduction
    2. 3.2. Low-pass filter approximation
    3. 3.3. Active filter synthesis by means of standard cells
    4. 3.4. Frequency transform techniques
    5. 3.5. Conclusion
  8. 4 Analog to Digital Converters
    1. 4.1. Digital to analog converters and analog to digital converters: an introduction
    2. 4.2. Notations and digital circuits
    3. 4.3. Sample and hold circuits
    4. 4.4. Converter structures
    5. 4.5. No silver bullet: choosing the best trade-off
    6. 4.6. Conclusion
  9. 5 Introduction to Noise Analysis in Low Frequency Circuits
    1. 5.1. What is noise?
    2. 5.2. Stochastic modeling of a noise
    3. 5.3. Different kinds of stochastic noises
    4. 5.4. Limits of modeling
    5. 5.5. Contributions from stochastically independent noise sources
    6. 5.6. Noise equivalent bandwidth and noise factor
    7. 5.7. Amplifiers and noise
    8. 5.8. Noise from “outer space”: electromagnetic compatibility
    9. 5.9. Conclusion
  10. Appendix: Legal Notes
  11. Bibliography
  12. Index
  13. End User License Agreement