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Radio and Electronic Engineer

Issue 6 • June 1972

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Displaying Results 1 - 7 of 7
  • The schools links with industry

    Publication Year: 1972
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (428 KB)

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  • Engineering approach to the design of tapered dielectric-rod and horn antennas

    Publication Year: 1972, Page(s):251 - 259
    Cited by:  Papers (11)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1203 KB)

    The taper profile of optimized dielectric-rod and horn antennas is synthesized as a series of non-interacting planar radiating apertures. The method is semi-empirical, straightforward to apply, enables the dielectric-rod antenna to be satisfactorily optimized and provides a means of evaluating and optimizing a dielectric-horn antenna with variable wall thickness. The optimum profiles are taken as ... View full abstract»

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  • High performance pyroelectric detectors

    Publication Year: 1972, Page(s):260 - 264
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (472 KB)

    A survey of a number of possible materials for use in pyroelectric detectors shows that strontium barium niobate, lithium sulphate and triglycine sulphate (TGS) are the most interesting materials. Over a large range of frequencies and sensitive areas TGS and its derivatives offer the highest sensitivities. The major disadvantage of TGS, a tendency to depole, has been overcome by the addition of or... View full abstract»

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  • Ion implantation in semiconductor device technology

    Publication Year: 1972, Page(s):265 - 283
    Cited by:  Papers (2)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (2930 KB)

    The role of ion implantation in the fabrication of semiconductor devices is reviewed with special reference to silicon planar technology. The applications of ion implantation to various devices is discussed in detail. A summary is given of the present state of the art in the compound semiconductor field. View full abstract»

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  • Letters: The history of positive feedback

    Publication Year: 1972
    IEEE is not the copyright holder of this material | PDF file iconPDF (143 KB)
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  • Digital methods of frequency measurement: a comparison

    Publication Year: 1972, Page(s):285 - 294
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1035 KB)

    Some well known and some novel methods of digital frequency measurement are compared, with particular emphasis on their dynamic performance. A simple uniform analysis helps to show the inter-relationships between these measurement systems. View full abstract»

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  • Threshold logic network synthesis with specific threshold-gate sensitivities

    Publication Year: 1972, Page(s):295 - 300
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (627 KB)

    The sensitivity characteristics of threshold logic gates have been shown to be dependent upon the Chow parameter values of the gates. This information is here extended to enable threshold circuit synthesis to be undertaken using gates of chosen sensitivity, a requirement akin in Boolean synthesis to using Boolean gates with chosen fan-in limitations. View full abstract»

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