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2 126 kr
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The switched-current technique is heralding a new era in analogue sampled-data signal processing. Unlike switched-capacitor circuits, switched-current circuits do not require linear floating capacitors or operational amplifiers and they are giving a renewed impetus to mixed-signal VLSI on standard digital technology. Key analogue designers from industry and academia worldwide have contributed to this first, very timely book entirely devoted to switched current analogue signal processing.The book introduces the basic switched-current technique, reviews the state-of-theart and presents practical chip examples. Numerous application areas are described, ranging from filters and data converters to image processing applications. It also gives a very comprehensive treatment of the fundamental principles of switched-current circuits and systems.The material in this book will be of benefit to students, both undergraduate and postgraduate, and researchers and circuit designers in academia and the electronics industry.
Del 91 - Canterbury & York Society
Register of Walter Langton, Bishop of Coventry and Lichfield, 1296-1321: I
Inbunden, Engelska, 2001
313 kr
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The earliest extant register for Coventry and Lichfield reveals important detail on Langton, a key political figure, treasurer of Edward I and briefly of Edward II, suspended from episcopal office by Pope Boniface VIII and twice imprisoned.This book is volume one of a calendar of the episcopal register of Bishop Walter Langton (1296-1321). Langton's register is important for two reasons: it is the earliest extant register for the medieval diocese of Coventry and Lichfield, and it has shed new light on the life of one of the period's key political figures.The register contains some folios from an earlier working register, only some entries of which have been duplicated in the definitivecopy. These have been tabulated in the introduction, which discusses the arrangement of the whole register in detail. The register contains hitherto unknown information concerning both the local and central diocesan administration, including details of the work of the papal administrators when Langton was suspended from episcopal office by Pope Boniface VIII in 1302-3. Moreover, the register has confirmed that Langton was an efficient and conscientious bishop who conducted diocesan business himself whenever possible, despite his personal vicissitudes including two terms of imprisonment, and he successfully juxtaposed his episcopal and political duties when he was Treasurer of Edward I, and later briefly Treasurer of Edward II.JILL HUGHES is a Research Fellow at the University of St Andrews.