دانلود رایگان حل المسایل ویرایش چهارم از کتاب Analysis and Design of Analog Integrated Circuits

ارسال شده در ۹ آبان ۱۳۹۴ / دسته بندی: حل المسایل / بدون دیدگاه


دانلود رایگان ویرایش چهارم از کتاب Analysis and Design of Analog Integrated Circuits

دانلود رایگان حل المسایل ویرایش چهارم از کتاب Analysis and Design of Analog Integrated Circuits نوشته PAUL R. GRAY توسط گروه مهندسی الکترونیک قرار داده شده است. علاقمندان می توانند برای اطلاع بیشتر از محتویات این کتاب بر روی گزینه “اطلاعات بیشتر” کلیک کنند.

In the 23 years since the publication of the first edition of this book, the field df analog integrated circuits has developed and matured. The initial groundwork was laid in bipolar technology, followed by a rapid evolution of MOS analog integrated circuits. Furthermore, BiCMOS technology (incorporating both bipolar and CMOS devices on one chip) has emerged as a serious contender to the original technologies. A key issue is that CMOS technologies have become dominant in building digital circuits because CMOS digital circuits are smaller and dissipate less power than their bipolar counterparts. To reduce system cost and power dissipation, analog and digital circuits are now often integrated together, providing a strong economic incentive to use CMOS-compatible analog circuits. As a result, an important question in many applications is whether to use pure CMOS or a BiCMOS technology. Although somewhat more expensive to fabricate, BiCMOS allows the designer to use both bipolar and MOS devices to their best advantage, and also allows innovative combinations of the characteristics of both devices. In addition, BiCMOS can reduce the design time by allowing direct use of many existing cells in realizing a given analog circuit function. On the other hand, the main advantage of pure CMOS is that it offers the lowest overall cost. Twenty years ago, CMOS technologies were only fast enough to support applications at audio frequencies. However, the continuing reduction of the minimum feature size in integrated-circuit (IC) technologies has greatly increased the maximum operating frequencies, and CMOS technologies have become fast enough for many new applications as a result. For example, the required bandwidth in video applications is about 4 MHz, requiring bipolar technologies as recently as 15 years ago. Now, however, CMOS can easily accommodate the required bandwidth for video and is even being used for radio-frequency applications.

In this fourth edition, we have combined the consideration of MOS and bipolar circuits into a unified treatment that also includes MOS-bipolar connections made possible by BiCMOS technology. We have written this edition so that instructors can easily select topics related to only CMOS circuits, only bipolar circuits, or a combination of both. We believe that it has become increasingly important for the analog circuit designer to have a thorough appreciation of the similarities and differences between MOS and bipolar devices, and to be able to design with either one where this is appropriate.

This book is intended to be useful both as a text for students and as a reference book for practicing engineers. For class use, each chapter includes many worked problems; the problem sets at the end of each chapter illustrate the practical applications of the material in the text. All the authors have had extensive industrial experience in IC design as well as in the teaching of courses on this subject, and this experience is reflected in the choice of text material and in the problem sets.

Although this book is concerned largely with the analysis and design of ICs, a considerable amount of material is also included on applications. In practice, these two subjects are closely linked, and a knowledge of both is essential for designers and users of ICs. The latter compose the larger group by far, and we believe that a working knowledge of IC design is a great advantage to an IC user. This is particularly apparent when the user must choose from among a number of competing designs to satisfy a particular need. An understanding of the IC structure is then useful in evaluating the relative desirability of the different designs under extremes of environment or in the presence of variations in supply voltage. In addition, the IC user is in a much better position to interpret a manufacturer’s data if he or she has a working knowledge of the internal operation of the integrated circuit.

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