Chandelier - LED Light - Cabinet Lighting - Outdoor Lighting
Wall Light - Solar Light - Low Voltage - Designer Lighting
RRP $14.99
The Dude says, “It’s far out, Man.” Do we need to say more? These 50 optical illusions will provide hours of totally spaced out wonderment. It presents content that is confounding and stimulating to the sober viewer but adds extra irreverence by playing off--and playfully joking on—the possibility of the reader being in an altered state. Text consists largely of very short introductions to chapters and captions (where necessary). Will include classic optical illusions that have been “stonerfied” by being printed in vibrant colors, Escher-type visual riddles, psychedelic typographics (in the mannor of the1960’s film noir artist), magic eye images that allow 3D shapes to emerge from white noise backgrounds (the shapes are bongs, hemp leaves, and other stoner tools). Every aspect of the book will be treated as part of the optical illusions, such as, printing all page numbers in reverse, having hemp seeds with drop shadows in the gutter of the book to simulate the effect as if the book had been used to separate bud seeds from ganja leaves, as was done in the days of record albums years ago. Would make a great collection addition for any brain gamer, puzzle master, or champion stoner.
The Design Of Low-voltage, Low-power Sigma-delta Modulators
RRP $68.00
Oversampling techniques based on sigma-delta modulation are widely used to implement the analog/digital interfaces in CMOS VLSI technologies. This approach is relatively insensitive to imperfections in the manufacturing process and offers numerous advantages for the realization of high-resolution analog-to-digital (A/D) converters in the low-voltage environment that is increasingly demanded by advanced VLSI technologies and by portable electronic systems. In The Design of Low-Voltage, Low-Power Sigma-Delta Modulators, an analysis of power dissipation in sigma-delta modulators is presented, and a low-voltage implementation of a digital-audio performance A/D converter based on the results of this analysis is described.
Although significant power savings can typically be achieved in digital circuits by reducing the power supply voltage, the power dissipation in analog circuits actually tends to increase with decreasing supply voltages. Oversampling architectures are a potentially power-efficient means of implementing high-resolution A/D converters because they reduce the number and complexity of the analog circuits in comparison with Nyquist-rate converters. In fact, it is shown that the power dissipation of a sigma-delta modulator can approach that of a single integrator with the resolution and bandwidth required for a given application. In this research the influence of various parameters on the power dissipation of the modulator has been evaluated and strategies for the design of a power-efficient implementation have been identified.
The Design of Low-Voltage, Low-Power Sigma-Delta Modulators begins with an overview of A/D conversion, emphasizing sigma-delta modulators. It includes a detailed analysis of noise in sigma-delta modulators, analyzes power dissipation in integrator circuits, and addresses practical issues in the circuit design and testing of a high-resolution modulator.
The Design of Low-Voltage, Low-Power Sigma-Delta Modulators will be of interest to practicing engineers and researchers in the areas of mixed-signal and analog integrated circuit design.
The Design Of Low-voltage, Low-power Sigma-delta Modulators
RRP $546.99
Oversampling techniques based on sigma-delta modulation are widely used to implement the analog/digital interfaces in CMOS VLSI technologies. This approach is relatively insensitive to imperfections in the manufacturing process and offers numerous advantages for the realization of high-resolution analog-to-digital (A/D) converters in the low-voltage environment that is increasingly demanded by advanced VLSI technologies and by portable electronic systems. In The Design of Low-Voltage, Low-Power Sigma-Delta Modulators, an analysis of power dissipation in sigma-delta modulators is presented, and a low-voltage implementation of a digital-audio performance A/D converter based on the results of this analysis is described.
Although significant power savings can typically be achieved in digital circuits by reducing the power supply voltage, the power dissipation in analog circuits actually tends to increase with decreasing supply voltages. Oversampling architectures are a potentially power-efficient means of implementing high-resolution A/D converters because they reduce the number and complexity of the analog circuits in comparison with Nyquist-rate converters. In fact, it is shown that the power dissipation of a sigma-delta modulator can approach that of a single integrator with the resolution and bandwidth required for a given application. In this research the influence of various parameters on the power dissipation of the modulator has been evaluated and strategies for the design of a power-efficient implementation have been identified.
The Design of Low-Voltage, Low-Power Sigma-Delta Modulators begins with an overview of A/D conversion, emphasizing sigma-delta modulators. It includes a detailed analysis of noise in sigma-delta modulators, analyzes power dissipation in integrator circuits, and addresses practical issues in the circuit design and testing of a high-resolution modulator.
The Design of Low-Voltage, Low-Power Sigma-Delta Modulators will be of interest to practicing engineers and researchers in the areas of mixed-signal and analog integrated circuit design.
Grasslands Trees & Wildflowers
RRP $12.99
The iconic sunflower is one of thousands of species of plants growing in the diverse ecosystems found thoughout the grasslands region. This beautifully illustrated guide highlights over 140 familiar and unique species of trees, shrubs and wildflowers and also includes a map featuring prominent botanical sanctuaries. Laminated for durability, this lightweight, pocket-sized folding guide is an excellent source of portable information and ideal for field use by visitors and residents alike. Made in the USA.
High Voltage Electricity Installations
RRP $283.99
The presence of high voltage power lines has provoked widespread concern for many years. <i>High Voltage Electricity Installations</i> presents an in-depth study of policy surrounding the planning of high voltage installations, discussing the manner in which they are percieved by the public, and the associated environmental issues. An analysis of these concerns, along with the geographical, environmental and political influences that shape their expression, is presented. <ul> <li>Investigates local planning policy in an area of the energy sector that is of highly topical environmental and public concern <li>Covers the planning of high-voltage installations, and formulation of local authority policies on high-voltage installations across England and Wales <li>Features a number of case studies from both rural and urban areas, along with detailed analysis of these case studies </ul> <p> <i>High Voltage Electricity Installations</i> will be of interest to postgraduate students, academics and practitioners alike, in the fields of environmental science, environmental planning, environmental policy-making and developments in the energy sector. It will also appeal to electricity industry practitioners responsible for the planning of high voltage installations.
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