EEE507: MEASUREMENT AND INSTRUMENTATION II LECTURE NOTES ADCs AND DACs By: Olorunniwo O. Dept. of Electronic & Electrical Engineering Obafemi Awolowo University Ile-Ife Page. | 1 1. ADCs and DACs • Basic DAC Architecture: -binary weighted; -R-2R ladder • Basic ADC: -flash; -dual-slope ; and -successive approximation • Sample and Hold Circuit • Aperture Error • ADC/DAC specifications: -INL; -DNL; -dynamic range. • Oversampling • Noise-shaping and sigma-delta converters 1.1 INTRODUCTION
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of the most important qualitative forecasting approaches. In many environments the time horizon is closely linked to the type of forecasting method used. Longer term and higher level forecasting will often require qualitative forecasting techniques. Such techniques may vary significantly in how they are applied. We begin with methods that rely on quantitative analysis to some degree and proceed to the more judgmental methods. Economic indicators The tracking of economic time series originated in the
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Achievement Standard |Subject Reference |Digital Technologies 1.43 | |Title |Implement basic procedures to produce a specified digital media outcome | |Level |1 |Credits |4 |Assessment |Internal | |Subfield
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most technical of athletic events‚ therefore a considerable amount of time should be spent on understanding and perfecting the technique. There are many areas of instruction in the vault. The pole carry‚ the run‚ plant‚ take off‚ swing back‚ extension‚ and the fly away. The vaulter needs to put all of these together in a vault that last no more than 6 seconds. Technique will improve how a person vaults‚ but it is no substitute for talent or physical ability. Speed‚ height‚ jumping ability‚ upper
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Computer Fraud and Abuse Techniques Adware Using software to collect web-surfing and spending data and forward it to advertising or media organizations. It also causes banner ads to pop up on computer monitors as the Internet is surfed. Bluebugging Taking control of someone else’s phone to make calls‚ send text messages‚ listen to their phone calls‚ or read their text messages. Bluesnarfing Stealing contact lists‚ images‚ and other data using Bluetooth. Botnet‚ bot herders A network of hijacked
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The Lights of Casablanca -An indepth look into the lighting techniques employed and the context in which they were used‚ caught between film noir and the classic Hollywood style. Casablanca (1942)‚ directed by Michael Curtiz‚ is a perennial favorite‚ depicting unique Humphrey Bogart and Ingrid Bergman characters caught in situations out of their control. While the film’s story is engaging on many levels‚ Curtiz’s use of lighting is an integral tool he uses to help tell of the story. Previously
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The first of the two 2D reconstruction techniques was developed by a woman named Karen Taylor back in the 1980s. This method is used to re-create a face from a body that is decaying. According to crimemuseum.com‚ "the artist uses their knowledge about how the soft tissue of the skin lies on the skull and how the body decomposes to create a reconstruction of what the victim may have looked like before death." The second method of the two dimensional technique involves putting indicators on the skull
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13 Principle of Asepsis The 13 Principles of asepsis is a basic knowledge that a nursing student should always remember when preparing for an operation and when working during an operation. Since Asepsis means the absence of pathogens‚ these 13 principles of asepsis is not only applicable when there is an operation but it should be observe in situations where there is a need to maintain the sterility of certain articles and to maintain a sterile environment. 13 Principles of Asepsis 1. All
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Genetic Engineering Techniques There are a number of techniques for moving genes artificially into recipient organisms. The oldest of these is called recombinant DNA‚ a technique that relies on biological vectors like plasmids or viruses. Other newer gene transfer techniques are electro- and chemical poration‚ microinjection‚ and bioballistics. Recombinant DNA Recombinant DNA techniques use biological vectors like plasmids and viruses to carry foreign genes into cells. Plasmids are small
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. Nominal Group Technique (NGT) NGT is a structured method for brainstorming that encourages contributions from every member in the group. When to use the NGT: When some group members are much more vocal than others. When some group members think better in silence. When there is concern about some members not participating. To generate ideas from the group. When the issue is controversial or there is heated conflict. To search for problem or solution. NGT Procedures:
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