Electronic Devices for Analog Signal Processing is intended for engineers and post graduates and considers electronic devices applied to process analog signals in instrument making, automation, measurements, and other branches of technology. They perform various transformations of electrical signals: scaling, integration, logarithming, etc. The need in their deeper study is caused, on the one hand, by the extension of the forms of the input signal and increasing accuracy and performance of such devices, and on the other hand, new devices constantly emerge and are already widely used in practice, but no information about them are written in books on electronics. The basic approach of presenting the material in Electronic Devices for Analog Signal Processing can be formulated as follows: the study with help from self-education. While divided into seven chapters, each chapter contains theoretical material, examples of practical problems, questions and tests. The most difficult questions are marked by a diamond and can be given to advanced readers. Paragraphs marked by /// are very important for the understanding of the studied material and together they can serve a brief summary of a section. The text marked by italic indicates new or non-traditional concepts. Calculated examples are indicated by >. The main goal of Electronic Devices for Analog Signal Processing is not only to give some knowledge on modern electronic devices, but also to inspire readers on the more detailed study of these devices, understanding of their operation, ability to analyze circuits, synthesize new devices, and assess the possibilities of their application for solution of particular practical problems. Yuriy K. Rybin Candidat of Technical Sciences associate professor of the Tomsk Polytechnic University. Author of more than 110 scientific papers and 60 patents. His field of scientific interests is development and design of electronic measiring devices including sine wave signal oscillators. Scientific chief and direct participant of development of the industrial generators G3-118, G3-121, G3-122, G3-125, GS-50 (Russian) etc. Introduction. Chapter 1. MODERN OPERATIONAL AMPLIFIERS. Introduction. 1.1. Application of operational amplifiers. 1.2. Amplifiers with potential input. 1.3. Electrical models of operational amplifiers. 1.4. Analysis of the effect of signal source and load. 1.5. Amplifiers with current input. 1.6. Amplifiers with current output. 1.7. Current-differencing amplifiers. 1.8. Rail-to-rail amplifiers. 1.9. Instrumental amplifiers. 1.10. Clamping amplifiers . 1.11. Isolation amplifiers. Conclusions. Questions. Test yourself. References. Chapter 2. FUNCTIONAL TRANSFORMATIONS OF SIGNALS. Introduction. 2.1. Linear transformations of signals. 2.2. Nonlinear transformations of signals. Conclusions. Questions. Test yourself. References. Chapter 3. LINEAR FUNCTIONAL UNITS IN OPERATIONAL AMPLIFIERS. Introduction. 3.1. General circuit designs of linear devices. 3.2. Scalers. 3.3. Integrating amplifiers. 3.4. Differentiating amplifier. 3.5. Active filters constructed in op-amps. Conclusions. Questions. Test yourself. References. Chapter 4. NONLINEAR DEVICES IN OP-AMPS. Introduction. 4.1. Voltage comparator. 4.2. Logarithmic amplifier. 4.3. Operational rectifiers. 4.4. Full-wave operational rectifiers. 4.5. Voltage limiters and overload protection circuits. 4.6. Op-amp function generators. Conclusions. Questions. Test yourself. References. Chapter 5. SINE WAVE OSCILLATORS. Introduction. 5.1. Oscillatory processes. 5.2. Features of oscillating systems. 5.3. RC sine-wave oscillators. 5.4. LC sine wave oscillators. 5.5. Quartz oscillators. 5.6. Negative resistance oscillators. 5.7. Synthesis of oscillating systems of RC oscillators. Conclusions. Questions. Test yourself. References. Chapter 6. PULSE OSCILLATORS. Introduction. 6.1. Selected issues of theory of pulse oscillators. 6.2. Op-amp pulse oscillators. 6.3. Possible circuits of op-amp oscillators. 6.4. Logic-gate oscillator. 6.5. Integrated timer oscillator. 6.6. Oscillators in elements with negative resistance. Conclusions. Questions. Test yourself. References. Chapter 7. SIGNAL CONDITIONERS. Introduction. 7.1. Resistive sensor signal conditioners. 7.2. Inductive sensor signal conditioner. 7.3. Optical sensor signal conditioners. 7.4. Thermocouple signal conditioners. 7.5. Voltage and current sensor signal conditioners. Conclusions. Questions. Test yourself. References. Conclusions. Appendix 1. Appendix 2. Glossary. Index. List of abbreviations. List of parameters.
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