Power consumption has become a major design consideration for battery-operated, portable systems as well as high-performance, desktop systems. Strict limitations on power dissipation must be met by the designer while still meeting ever higher computational requirements. A comprehensive approach is thus required at all levels of system design, ranging from algorithms and architectures to the logic styles and the underlying technology. Potentially one of the most important techniques involves combining architecture optimization with voltage scaling, allowing a trade-off between silicon area and low-power operation. Architectural optimization enables supply voltages of the order of 1 V using standard CMOS technology. Several techniques can also be used to minimize the switched capacitance, including representation, optimizing signal correlations, minimizing spurious transitions, optimizing sequencing of operations, activity-driven power down, etc. The high- efficiency of DC-DC converter circuitry required for efficient, low-voltage and low-current level operation is described by Stratakos, Sullivan and Sanders. The application of various low-power techniques to a chip set for multimedia applications shows that orders-of-magnitude reduction in power consumption is possible. The book also features an analysis by Professor Meindl of the fundamental limits of power consumption achievable at all levels of the design hierarchy. Svensson, of ISI, describes emerging adiabatic switching techniques that can break the CV2f barrier and reduce the energy per computation at a fixed voltage. Srivastava, of AT&T, presents the application of aggressive shut-down techniques to microprocessor applications.
Experience the magic of patchwork and quilting centre, Cowslip Workshops, with this collection of patchwork projects by owner Jo Colwill. Jo is an expert patchworker and quilter with over 25 years experience and she has created this stunning collection of patchwork projects for you to try. Based on the most popular classes she runs at Cowslip Workshops, this collection includes patterns for 10 large quilts including full-sized bed quilts and large wall hangings, as well as 10 small patchwork projects. The small patchwork projects include a motif or design taken from the original quilt to provide a quick patchwork project and make fantastic gifts. These small projects include cushions, patchwork hangings, a needle cushion and a cuddly rabbit and Low Power Digital CMOS Design free ebook offer a fantastic 'taster' of Jo's designs if you don't feel ready to tackle a full quilt. There are, however, plenty of larger scale projects for the more experienced sewer looking for a challenge. Jo demonstrates a wide range of patchwork and quilting techniques including template-free and bondaweb applique, hand and machine quilting, embroidery and embellishing.
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Author: Anantha P. Chandrakasan,Robert W. Brodersen
Number of Pages: 409 pages
Published Date: 04 Oct 2012
Publisher: Springer-Verlag New York Inc.
Publication Country: New York, NY, United States
Language: English
ISBN: 9781461359845
Download Link: Click Here
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