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Radio and Electronic Engineer

Issue 5 • May 1976

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Displaying Results 1 - 6 of 6
  • A Season of Exhibitions

    Publication Year: 1976
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (136 KB)

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  • Second-order effects in acoustic surface-wave filters: design methods

    Publication Year: 1976, Page(s):207 - 220
    Cited by:  Papers (4)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1543 KB)

    Second-order effects, which may be defined as those effects which prevent acoustic surface-wave filters from behaving as ideal transversal filters, are described systematically. Explicit exact and approximate formulas are given for the effect of acoustic multireflections and external matching circuits on both the main signal response and triple transit echoes. The effect of non-uniform tap couplin... View full abstract»

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  • Engineering design and evaluation of s.a.w. pulse compression filters with low time sidelobes

    Publication Year: 1976, Page(s):221 - 228
    Cited by:  Papers (4)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (895 KB)

    A linear f.m. pulse compression sub-system employing surface acoustic wave dispersive filters has been designed. When operated as a coherent pulse compression loop, this sub-system provides a compressed pulse with all time sidelobes suppressed by more than 40 dB. This demanding level of performance which is a significant improvement over previously reported sub-systems has been achieved by the dev... View full abstract»

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  • Examples of manufactured dispersive delay lines using acoustic surface waves

    Publication Year: 1976, Page(s):229 - 236
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1190 KB)

    Two kinds of dispersive delay lines operating in radars at the present time are described as examples of manufactured acoustic surface-wave components. These lines were designed some yearsago for a non-linear chirp impulse response and they are used as pulse expander and weighting matched pulse compressor. These dispersive delay lines consist of metallic interdigital transducers deposited on piezo... View full abstract»

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  • Surface acoustic wave matched filters for communications systems

    Publication Year: 1976, Page(s):237 - 246
    Cited by:  Papers (4)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (3018 KB)

    The design, fabrication and performance of surface acoustic wave matched filters for particular communication systems are described. Applications are considered for synchronization acquisition by means of m-sequence phase shift keyed correlators, and for demodulation of data in (i) a four-level frequency-shift keyed system and (ii) a differentially coherent phase-shift keyed system. View full abstract»

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  • Sources of intermodulation in diode-ring mixers

    Publication Year: 1976, Page(s):247 - 255
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1015 KB)

    Intermodulation is known to arise in diode-ring mixers due to non-linearity in the diode switches, and also due to the interference by signal voltages with the local-oscillator switching function. This interference can be reduced by ensuring fast switching with a square-wave local-oscillator. In this paper the relationship between rise-time and intermodulation is investigated in connection with a ... View full abstract»

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Aims & Scope

Published from 1963 to February 1964 by the British Institution of Radio Engineers and from March 1964 to 1984 by the the Institution of Electronic and Radio Engineers, The Radio and Electronic Engineer published papers describing original research and development in all branches of electronic engineering, as well as critical and interpretive surveys. Short contributions dealing with device technology, circuit techniques and experimental methods were also included.

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