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Radio and Electronic Engineer

Issue 2 • August 1968

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Displaying Results 1 - 10 of 10
  • Astronomy, space and radio

    Publication Year: 1968
    IEEE is not the copyright holder of this material | PDF file iconPDF (133 KB)
    Freely Available from IEEE
  • Correction: Discussion on "gain and stability of transistor amplifiers"

    Publication Year: 1968
    IEEE is not the copyright holder of this material | PDF file iconPDF (155 KB)
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  • Correction: Reply to Discussion on "gain and stability of transistor amplifiers"

    Publication Year: 1968
    IEEE is not the copyright holder of this material | PDF file iconPDF (155 KB)
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  • Experimental tests of the theory of an amplitude-limited correlation detector

    Publication Year: 1968, Page(s):71 - 81
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1215 KB)

    A sensitive correlation detector has been constructed in which the input signal and noise voltages are amplitude-limited. The correlator is described and experimental results are given in support of the theory. A method of analysing the data from the correlator to obtain the maximum output signal/noise ratio is discussed for the case where the signal and noise voltages depend on slowly varying fun... View full abstract»

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  • High-density soldered interconnections

    Publication Year: 1968, Page(s):83 - 93
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (3895 KB)

    Various interconnection techniques for use in conjunction with thin film planar devices are described. The special character of the substrate imposed a number of limitations on processing and assembly, the most restrictive being that all interconnections should be made at the lowest possible temperature, at the same time being capable of repair. The method of mounting integrated circuit chips dire... View full abstract»

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  • New LightߞVisible and Invisible

    Publication Year: 1968
    IEEE is not the copyright holder of this material | PDF file iconPDF (171 KB)
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  • Correlation due to inter-element coupling in line arrays

    Publication Year: 1968
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (682 KB)

    In spite of the fact that inter-element coupling in a receiving array markedly affects the amplitude of the output signals when the beam is deflected from its normal axis, and also introduces correlation into otherwise-uncorrelated noise outputs from the various elements, yet its effect on signal/noise performance and on the beam-steering itself is small and usually negligible. The correlation int... View full abstract»

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  • Letters to the Editor: The commercial engineer

    Publication Year: 1968
    IEEE is not the copyright holder of this material | PDF file iconPDF (115 KB)
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  • Pull-in range of phase-lock circuits with arbitrary feedback filter

    Publication Year: 1968, Page(s):101 - 110
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1185 KB)

    Existing methods for the theoretical determination of the capture range of selected automatic phase control loops, using a sin (¿-phase comparator, are analysed. From the results of this analysis, an equivalent method to the one used by Goldstein in his treatment of loops with sawtooth comparator is developed that can be applied to a wider variety of interesting loop filters. The method is based ... View full abstract»

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  • Study of the Q-factor of a surface-wave resonator

    Publication Year: 1968, Page(s):111 - 131
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (3162 KB)

    By applying field theory and transmission line theory, the Q-factor of a surface-wave resonator is derived. A new technique for determining the Q-factor is developed. Attenuation constants of Sommerfeld and Goubau surface-wave lines of different diameters are determined from a large number of measurements of Q-factor as a function of length of the resonator. The effect of tilt and rotation of one ... View full abstract»

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