Book excerpt: Analogue designers from industry and academia worldwide have contributed to this first volume devoted entirely to switched-current analogue signal processing. The volume introduces the basic switched- current technique, reviews the state-of-the-art, and presents practical chip examples. Numerous application areas are described, ranging from filters and data converters to image processing applications. It also gives a comprehensive treatment of the fundamental principles of switched-current circuits and systems. For undergraduate and graduate students and practicing engineers in industry. Distributed by INSPEC. Annotation copyright by Book News, Inc., Portland, OR