White Papers

EETE OCTOBER 2012

WHITE PAPERS WWW.ElEcTRonIcS-EETImES.com/En/lEARnIng-cEnTER/ A leading reference resource for electronics engineers, EE Times Europe’s White Paper library includes over 600 white papers, application notes, technical articles, books and case studies that can be downloaded free of charge. The latest featured papers are available below. matched Resistor networks for Precision moving with the Times; Bluetooth® Targets Amplifier Applications Smart, low-Power Applications Some ideal op amp configurations as- Since the arrival of the ARM® sume that the feedback resistors exhibit Cortex™-M3 processor, embedded perfect matching. In practice, resistor developers have enjoyed a significant non-idealities can affect various circuit increase in freedom of choice and flex- parameters such as common mode ibility to select the optimum microcon- rejection ratio (CMRR), harmonic distor- troller for their designs. Standardising on tion and stability. For instance, as shown a common core has also stimulated im- in Figure 1, a single-ended amplifi er confi gured to level-shift a provements in peripherals and memory performance, enabling ground-referenced signal to a common mode of 2.5V needs a development teams to increase functionality, reduce power good CMRR. consumption and cut time to market for new designs. www.electronics-eetimes.com/en/Learning-center/ www.electronics-eetimes.com/en/Learning-center/ Power components Simplify 1kW Power Design TI-HiRel Space Products Not long ago, designing a 1,000 W power To support the demanding nature of supply for operation on worldwide AC space applications TI and National lines was a task for the most experi- have combined product lines to cre- enced power design engineers. Besides ate a strong and united offering for dealing with the design of autorang- space applications. ing front-end rectification circuitry and Customers can expect no disruption isolated power conversion stages, the of service as a result of this merger designer faced a myriad of other complex technical and design and that TI/National products will continue to be avail- issues: inrush current limiting, sizing and selection of holdup able. capacitors, transient protection, thermal design, and worldwide By combining our portfolios we provide a complete signal safety agency and conducted noise requirements. chain solution for space. www.electronics-eetimes.com/en/Learning-center/ www.electronics-eetimes.com/en/Learning-center/ HTml5 Is Becoming the HmI Technology of choice The Effective number of Bits (EnoB) Information about HTML5 ranges from the The effective number of bits (ENOB) is a W3C documents themselves to business way of quantifying the quality of an ana- cases, evangelists’ musing, and seemingly log to digital conversion. A higher ENOB innumerable how-to articles and tutorials means that voltage levels recorded in chock full of code samples. This white an analog to digital conversion are more paper attempts to bridge the gap between accurate. In an oscilloscope the ENOB the musings and the tutorials, and present is not just determined by the quality of an overview of HTML5 that will be useful to people who are not the analog to digital converter but by the instrument as a whole. HTML5 experts, but who are technical enough to understand what This application note explains how to measure the oscilloscope we mean by, say, a chromeless browser. ENOB and shows results for the R&S RTO for different settings. www.electronics-eetimes.com/en/Learning-center/ www.electronics-eetimes.com/en/Learning-center/ Technical considerations for Implementing USB Tips and Tricks for Reducing Industrial 3.0 on Socs computer noise Key USB software and systems If one makes long-term observations of providers are now shipping high end-user demands across a number of volumes of products with USB 3.0— products, one can see a similar evolu- it’s no longer just for cutting-edge tion. At first, consumers seek only to applications. This paper highlights possess a product, then they demand features and enhancements in the performance; once the technology has USB 3.0 protocol, and outlines matured to a certain level, they begin technical complexities and the resulting design challenges to pay attention to the details. of implementation. You will learn how a USB 3.0 IP core’s The IT industry is a perfect example. When the PC first came reconfigurability can broaden your design’s potential out, promotion was the primary goal; after the PC became applications. Finally, you’ll understand selection and popular, its specifications and performance quickly began to integration considerations for USB 3.0 IP. improve. www.electronics-eetimes.com/en/Learning-center/ www.electronics-eetimes.com/en/Learning-center/ www.electronics-eetimes.com Electronic Engineering Times Europe October 2012


EETE OCTOBER 2012
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