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Radio and Electronic Engineer

Issue 1 • Date January 1979

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Displaying Results 1 - 10 of 10
  • Whither the british radio and television industry?

    Publication Year: 1979
    Click to expandAbstract | PDF file iconPDF (1401 KB)  

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  • Reliability and its impact in computer applications

    Publication Year: 1979
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  • Letter to the Editor: `What's in it for me?¿

    Publication Year: 1979
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  • Analogue filters

    Publication Year: 1979 , Page(s): 18 - 19
    PDF file iconPDF (263 KB)  
    Freely Available from IEEE
  • Swing to integrated circuits in uk components market

    Publication Year: 1979
    PDF file iconPDF (103 KB)  
    Freely Available from IEEE
  • Electromagnetic compatibility in the mercantile marine situation

    Publication Year: 1979 , Page(s): 23 - 28
    Click to expandAbstract | PDF file iconPDF (868 KB)  

    Some idea of the magnitude of the problem of electromagnetic interference and methods of its propagation on board ship are given. The present situation relating to marine e.m.c. specifications is described and the need for agreed and accepted marine e.m.c. specifications, not only nationally but internationally, is proposed. Present installation techniques and measures used to minimize interferenc... View full abstract»

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  • The application of mathematical modelling to e.m.c. analysis of systems

    Publication Year: 1979 , Page(s): 29 - 37
    Click to expandAbstract | PDF file iconPDF (878 KB)  

    A description of SEMCAP (Specification and Electromagnetic Compatibility Analysis Program) is given. The program uses mathematical models of interference generators and receptors and of the indirect transfer mechanisms linking them. The program calculates the voltage received at the receptor through capacitive, inductive, E¿ and H¿field coupling. The application of the program to the Orbital Tes... View full abstract»

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  • Superscreened cables

    Publication Year: 1979 , Page(s): 38 - 44
    Cited by:  Papers (11)
    Click to expandAbstract | PDF file iconPDF (902 KB)  

    The fundamental phenomena involved in the screening of braided cables are discussed and knowledge of these is shown to aid in improving this screening as expressed in terms of surface transfer impedance. It is shown how the use of magnetic materials between two braids, coupled with knowledge of the above optimization techniques, can lead to enormously improved screening which can be maintained by ... View full abstract»

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  • A case study in achieving electromagnetic compatibility for a manportable radar equipment

    Publication Year: 1979 , Page(s): 45 - 48
    Click to expandAbstract | PDF file iconPDF (646 KB)  

    Operating a man-portable radar set in a battlefield forward area or in a civil application presents wide variations in the frequency distribution of other services which may affect the equipment or be affected by it. Analysis of typical operational situations was undertaken to quantify the problems and develop a specification. Measurements on development models are described, together with the sol... View full abstract»

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  • An amplitude-controlled adaptive delta sigma modulator

    Publication Year: 1979 , Page(s): 49 - 54
    Cited by:  Papers (5)
    Click to expandAbstract | PDF file iconPDF (546 KB)  

    An adaptive delta sigma modulator (ADSM) is proposed wherein the companding is done in a novel fashion. The output of a simple DEM is differentiated, and the resulting waveform is filtered in a syllabic filter after d.c. restoration. This yields a control signal that is proportional to the average number of transitions from one to zero and zero to one that occur at the coder output. The signal so ... View full abstract»

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