《实例解读模拟电子技术完全学习与应用》序－英国院士

今天，电类专业的学生和电子技术的爱好者迫切需要一本能全方位覆盖模拟电子技术、元器件及应用精华的立体式综合性参考书。而这本以杨欣为第一作者的新书，将彻底迎合广大读者朋友的需求。

本书尤其难能可贵的是在几乎每一章都以与知识点相关的应用体验和实例解读进行推进。第1章通过介绍电子电路基础拉开了学习的大幕。随之介绍的是电源，覆盖了从电池到利用今天无处不在的USB端口供电。之后的3章重点阐述了3种无源器件——电阻器、电容器、电感器。RLC电路随后讨论，其中还用复数进行分析并讨论了品质因数。接下来还有2章集中介绍二极管和三极管，随后的3章重点学习了偏置电路、小信号放大器、功率放大器。场效应管及其放大电路、频率特性、运算放大器及其应用电路、负反馈、有源滤波器、运算放大器的实际应用等都有淋漓尽致的介绍。本书的后5章涉及阻抗匹配、传感器、振荡器、更多的元器件包括晶闸管和电动机、直流稳压电源，最后是非常实用的附录。所有这些翔实的内容都在650页内纷纷精彩呈现。

本书是杨欣等作者所出版的系列图书中最新的一本，它发扬了作者向来高质量写作的优点。也因如此，他们所出版的图书受到了广大读者的追捧和喜爱。我敢保证，本书对于那些寻找电子技术参考书和实践指南的朋友来说，特别是渴望掌握模拟电子技术、元器件、应用前沿知识的读者朋友来说，将是一笔巨大的财富。

CBE FRS FREng FMedSci FLSW

Distinguished Research Professor

Cardiff University

School of Engineering

United Kingdom

Nowadays, students and amateurs of electronic engineering need handy access to a comprehensive textbook covering all the important aspects of analog circuits, devices and applications. This new work, with Xin Yang as the principal author, completely satisfies this requirement.

A particularly valuable feature of the text is that almost every chapter ends with sections on relevant experience and practice. The first chapter sets the scene by introducing the fundamentals of electronic circuits. This is followed by a chapter on electrical power sources, ranging from batteries to the ubiquitous USB socket. The next three chapters deal with the three passive circuit components – resistors, capacitors and inductors.  RLC circuits are then discussed, including complex numbers and quality factor. Following two chapters on diodes and transistors, the topics of biasing, small signal and power amplifiers are covered in three chapters. Then, there are eight chapters on field effect transistors and amplifiers, frequency response, operational amplifiers and circuits, negative feedback, active filters, and practical circuits using operational amplifiers.  The book ends with five more chapters: these are on impedance matching, sensors, oscillations, more electronic components – such as thyristors and motors – DC power supplies, and several appendices. All this is covered in 650 pages of closely-packed practical information.

This book is the most recent of the series of which Xin Yang is the principal author. It maintains the high standard for which he now enjoys a very well-deserved reputation. It promises to be of very great value to those who turn to it as a source of reference and practical guidance in the up-to-date application of analog electronic circuits, devices, and applications.