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IEEE Potentials

Issue 4 • Date Dec. 1988

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Displaying Results 1 - 4 of 4
  • GaAs as a semiconductor

    Publication Year: 1988, Page(s):9 - 12
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (470 KB)

    The characteristics of semiconductors that make them useful for devices, and the basic principles of the devices are explained. The effect of doping is given particular attention. The properties of GaAs that make it a desirable device material are examined. These are its high electron mobilities, which are essential to high-speed device applications, and its radiation resistance, which makes it a ... View full abstract»

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  • Transferring electrical power between utilities

    Publication Year: 1988, Page(s):13 - 14
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (360 KB)

    The factors that favor the transfer of electrical power, as opposed to generating it, when and where needed, namely economics and reliability, are discussed. The tie lines that connect utilities, transferring high-voltage AC or DC power, and the control of the interchange, are described. Problems and risks, particularly blackouts, are examined.<> View full abstract»

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  • Electronic information security

    Publication Year: 1988, Page(s):26 - 30
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (724 KB)

    The US Department of Defense (DoD), civilian agencies, and private corporations, which process vast amounts of information, share the same problems but perceive and emphasize them differently. DoD wants the exclusive right to develop technology and establish guidelines; the primary need is for products that focus on the secure disclosure of information. Civilian agencies do not care about who admi... View full abstract»

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  • A role model for electromagnetic systems design

    Publication Year: 1988, Page(s):34 - 38
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (625 KB)

    The authors discuss the antenna test range at the US Naval Ocean Systems Center, which provides solutions to some formidable electromagnetics problems on ships. They describe the measurement approach; the pattern range, a 160 ft diameter ground plane constructed of prestressed concrete covered with a very thin coating of lead; the impedance range, which has a subterranean instrument room that hous... View full abstract»

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Sachin Seth
Texas Instruments
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