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Proceedings of the Institute of Radio Engineers

Issue 4 • Date April 1937

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Displaying Results 1 - 19 of 19
  • [Front cover]

    Publication Year: 1937, Page(s): c1
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  • Institute of Radio Engineers - Forthcoming Meetings

    Publication Year: 1937, Page(s): c2
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  • Contents

    Publication Year: 1937, Page(s): i
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  • General Information

    Publication Year: 1937, Page(s): ii
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  • Institute sections

    Publication Year: 1937, Page(s): iii
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  • Geographical Location of Members Elected March 3, 1937

    Publication Year: 1937, Page(s): iv
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  • Applications for Membership

    Publication Year: 1937, Page(s):v - vi
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  • Officers and Board of Directors

    Publication Year: 1937, Page(s): vii
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  • Committees of the Institute of Radio Engineers 1937

    Publication Year: 1937, Page(s):viii - x
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  • Institute news and radio notes

    Publication Year: 1937, Page(s):371 - 385
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  • Characteristics of American Broadcast Receivers as Related to the Power and Frequency of Transmitters

    Publication Year: 1937, Page(s):387 - 420
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (11984 KB)

    In a system of broadcasting the conditions under which there is freedom from interference depend upon the characteristics of receivers in use and upon the frequency allocation and power of transmitters. The characteristics of American broadcast receivers now in use have been investigated to determine the permissible input and frequency separation for freedom from cross talk, heterodyne beats, and ... View full abstract»

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  • Multiple Amplifier

    Publication Year: 1937, Page(s):421 - 433
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3296 KB)

    The development, by the author, of amplifying tubes utilizing secondary emission is discussed. Various designs are shown, including the latest type which is described as possessing the quality of small dimensions, high sensitivity (10-100 amperes per lumen), high over-all amplification (106), high voltage output, minimization of noise, absence of microphonics. The characteristics of the... View full abstract»

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  • Alternating-Current Resistance of Rectangular Conductors

    Publication Year: 1937, Page(s):434 - 447
    Cited by:  Papers (26)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4080 KB)

    New experimental data are presented for conductors having ratios of width to thickness of 1 to 1 to 2400 to 1 for frequencies up to eight kilocycles. These data are co-ordinated with existing data furnishing an experimental proof of the "principle of similitude." "Skin effect" formulas are also checked with the experimental data over the range of frequencies for which these relations apply. View full abstract»

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  • The Temperature Coefficient of Inductance

    Publication Year: 1937, Page(s):448 - 464
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1480 KB)

    The author tries to explain the discrepancy between theory and experiment with regard to the temperature coefficient of inductance of coils. Experiments show that the temperature coefficient of inductance is not equal to the coefficient of linear expansion of the material of the coil, but exceeds it many timies. Such a considerable discrepancy cannot be explained by means of the factors pointed ou... View full abstract»

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  • The Production of Rochelle Salt Piezoelectric Resonators Having a Pure Longitudinal Mode of Vibration

    Publication Year: 1937, Page(s):465 - 471
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (832 KB)

    The correct orientation of specimens cut from Rochelle salt crystals for use as piezoelectric resonators having a pure longitudinal mode of vibration is developed from Voigt's theory of piezoelectricity, and the frequency of resonance of these specimens is derived from the constants of the material. Some practical details are given regarding the growing of the crystals and grinding of the specimen... View full abstract»

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  • Frequency Modulation Noise Characteristics

    Publication Year: 1937, Page(s):472 - 514
    Cited by:  Papers (36)
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    Theory and experimental data are given which show the improvements in signal-noise ratio effected by frequency modulation over amplitude modulation. It is shown that above a certain carrier-noise ratio in the frequency modulation receiver which is called the "improvement threshold," the frequency modulation signal-noise ratio is greater than the amplitude modulation signal-noise ratio by a factor ... View full abstract»

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  • Discussion on "A Proposed Wattmeter Using Multielectrode Tubes" (John R. Pierce)

    Publication Year: 1937, Page(s):515 - 516
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  • Book reviews

    Publication Year: 1937, Page(s):517 - 518
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  • Contributors to this issue

    Publication Year: 1937, Page(s): 519
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Aims & Scope

This Periodical ceased production in 1938. The current retitled publication is Proceedings of the IEEE.

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