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 viivin Preface as in the teaching of courses on this subject, and this experience is reflected in the choice of text material and in the pioblem sets.