Titlebook: Electronic and Electrical Engineering; Principles and Pract Lionel Warnes Textbook 2003Latest edition The Editor(s) (if applicable) and The

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Diodes,ctify alternating current, some are used as signal detectors and others are used as voltage references or voltage regulators. There are also optical diodes which are used as indicators (light-emitting diodes, or LEDs), signal sources (LEDs and laser diodes) or optical detectors (avalanche photodiode

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Field-effect transistors, layer. In the 1970s the problems were solved and FET technology developed at a rapid pace. FETs are now more widely used than BJTs and have made an enormous impact on integrated circuit (IC) technology. Not only have very low-power CMOS (complementary metal oxide-semiconductor, a type of FET) ICs h

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Analogue circuits,iverse, but the most popular analogue IC is the operational amplifier and its close relation the comparator, both of which are discussed in Chapter 3. Of the remainder the most numerous ICs are analogue-to-digital (and digital-to-analogue) converters and voltage regulators. All of these types togeth

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DC machines, do the converse. Usually a DC machine can serve either purpose. AC machines are more widely used than DC machines, but in certain applications DC machines used to be preferred, especially in traction and whenever speed control over a wide range was desired. With the development of high-power semico

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