Monday, September 10, 2018



Chapter 1 Basic Diode Circuits 
Chapter 2 Basic Principles of Semiconductors.
Chapter 3 pn Junction and Semiconductor Diodes .
Chapter 4 Semiconductor Fabrication
Chapter 5 Field-Effect Transistors.
Chapter 6 Bipolar Junction Transistor
Chapter 7 Two-Port Circuits, Amplifiers, and Feedback
Chapter 8 Single-Stage Transistor Amplifiers
Chapter 9 Multistage and Feedback Amplifiers.
Chapter 10 Differential and Operational Amplifiers .
Chapter 11 Power Amplifiers and Switches .
Chapter 12 Basic Elements of Digital Circuits .
Chapter 13 Digital Logic Circuit Families .
This book differs significantly from other current introductory textbooks on electronics in its coverage and approach. Most of the current textbooks pay only scant attention to basic electronics and the underlying theory of semiconductors. This, I believe, is a serious shortcoming, because some knowledge of the fundamental physical concepts involved is needed for two main reasons: first, in order to gain more than a superficial understanding of the behavior of semiconductor devices, and, second, to appreciate the nature of continuing improvements to the performance of these devices and therefore be able to follow the ongoing and projected advances in microelectronics. Given that the theory of electric conduction in semiconductors is well above the level of an introductory textbook, the challenge is to present the essentials of this theory in a way that gives at least a good qualitative understanding of the fundamental concepts involved. Fundamentals and concepts are strongly emphasized throughout this book, as in the author’s book Electric Circuits and Signals, CRC press, Boca Raton, Florida, 2008.discussed in terms of electrochemical potential, which is shown to be a relatively simple but fundamental and unifying generalization of electric potential in the presence of concentration gradients. Most textbooks on electronics ignore electrochemical potential, and, if they go this far, consider instead Fermi and quasi-Fermi levels whose nature and role in semiconductors are not clearly addressed. Consequently, students find it difficult to understand why the Fermi level should be the same throughout a system at equilibrium, or the meaning of statements such as ‘‘Current is maintained by a gradient of the quasi-Fermi level,’’ or ‘‘A voltmeter actually measures the difference between quasi-Fermi levels.’’ An added benefit of introducing the concept of electrochemical potential is that electrophysiology of membranes of living cells is almost invariably discussed in terms of electrochemical potential. The concept of electrochemical potential provides an instructive link between semiconductor and ionic systems at a time when electrical engineering students are being increasingly exposed to biological systems.


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