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Proceedings of the Institute of Radio Engineers

Issue 5 • Date May 1937

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  • [Front cover]

    Publication Year: 1937, Page(s): c1
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  • Institute of Radio Engineers Silver Anniversary Convention

    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 April 7, 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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  • Statue of Liberty

    Publication Year: 1937, Page(s): 522
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  • Institute news and radio notes

    Publication Year: 1937, Page(s):523 - 548
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  • A Simplified Circuit for Frequency Substandards Employing a New Type of Low-Frequency Zero-Temperature-Coefficient Quartz Crystal

    Publication Year: 1937, Page(s):549 - 563
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1912 KB)

    This paper presents a new type of stabilized quartz-controlled oscillator and a new type of low-temperature-coefficient piezoelectric quartz circuit element which, in their combination, are particularly suitable for portable substandards of frequency. The oscillator circuit is simple and may be easily stabilized by two reactance adjustments so that the frequency is unaffected by change of tubes or... View full abstract»

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  • The Harmonic Mode of Oscillation in Barkhausen-Kurz Tubes

    Publication Year: 1937, Page(s):564 - 569
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1136 KB)

    The phenomenon of harmonic operation of Barkhausen-Kurz tubes employing a resonating helical grid is investigated by the use of tubes with the plate cut transversely into three sections. It is shown that the fundamental or Barkhausen frequency may be elicited by exciting the grid at its central portion, but that if the grid is excited at its ends either symmetrically or unsymmetrically the oscilla... View full abstract»

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  • Grid Control of Radio Rectifiers

    Publication Year: 1937, Page(s):570 - 582
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2608 KB)

    This paper discusses grid control for voltage regulation and protection of mercury-vapor or arcing type rectifiers for radio transmitting service. The principles of two basic types of voltage control circuits are described, and illustrated by means of diagrams. Various advantages of grid control are brought out, such as automatic starting at reduced voltage, automatic voltage regulation, and high ... View full abstract»

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  • The Fading Characteristics of the Top-Loaded WCAU Antenna

    Publication Year: 1937, Page(s):583 - 611
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (6400 KB)

    The electrical characteristics of the original "guyed cantilever" antenna in use at WCAU are reviewed. Fading characteristics taken at several points in the service area are shown and analyzed. Probability considerations are used to place the fading phenomena on a quantitative basis. Model tests are described which led to the use of a capacitive area at the top of the tower. This capacitance consi... View full abstract»

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  • Application of the Autosynchronized Oscillator to Frequency Demodulation

    Publication Year: 1937, Page(s):612 - 619
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1008 KB)

    A new frequency-operated demodulator is described which does not respond to amplitude modulation. These results are achieved by making use of a controlled oscillator at the receiver which automatically synchronizes with the transmitter frequency. If desired, this method can be made to give a large response with extremely small amounts of frequency shift. On the other hand, it can also be used when... View full abstract»

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  • Lattice Attenuating Networks

    Publication Year: 1937, Page(s):620 - 622
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (256 KB)

    The recent compilation by P.K. McElroy of resistive attenuating network sections is extended to include the lattice or bridge type section. Design formulas are developed for the general case where the terminal impedances are unequal as well as for the special case where they are equal. The minimum attenuation limitation is shown to be identical to that of the T and the π section. View full abstract»

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  • A Voltage Stabilized High-Frequency Crystal Oscillator Circuit

    Publication Year: 1937, Page(s):623 - 629
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (808 KB)

    The theory and line of reasoning used in developing this circuit are described. The circuit elements aside from the crystal are resistors and capacitances. The type 57 tube was found to fulfill to a large measure the requirements of a sufficiently high mutual conductance and a fairly high internal plate resistance in the oscillating state. A method of varying the frequency of oscillation is descri... View full abstract»

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  • Determination of the Radiating System Which Will Produce a Specified Directional Characteristic

    Publication Year: 1937, Page(s):630 - 643
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1240 KB)

    Starting with the similarity of the radiation pattern from a pair of points to a harmonic function, it is shown that with a change in variable, the directional function can be put in a form which permits it to be analyzed into a Fourier series, each of whose terms represents a pair of sources. The same method is applied to other types of sources and arrays. The relationship is developed between so... View full abstract»

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  • Book review

    Publication Year: 1937, Page(s): 644
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  • Contributors to this issue

    Publication Year: 1937, Page(s):645 - 646
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Aims & Scope

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

Full Aims & Scope