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Proceedings of the Institute of Radio Engineers

Issue 8 • Aug. 1933

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  • [Front cover]

    Publication Year: 1933, Page(s): c1
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  • Institute of Radio Engineers - Forthcoming Meetings

    Publication Year: 1933, Page(s): c2
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  • Contents

    Publication Year: 1933, Page(s): i
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  • General Information

    Publication Year: 1933, Page(s): ii
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  • Institute sections

    Publication Year: 1933, Page(s): iii
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  • Geographical Location of Members Elected July 5, 1933

    Publication Year: 1933, Page(s): iv
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  • Applications for Membership

    Publication Year: 1933, Page(s): v
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  • Officers and Board of Directors, 1933

    Publication Year: 1933, Page(s): vi
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  • Harold De Forest Arnold

    Publication Year: 1933, Page(s): 1068
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  • Institute news and radio notes

    Publication Year: 1933, Page(s):1069 - 1074
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  • The Application of Graphite as an Anode Material to High Vacuum Transmitting Tubes

    Publication Year: 1933, Page(s):1075 - 1081
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1184 KB)

    Graphite has been found to possess a number of advantages over materials which have heretofore been used in the construction of anodes for high vacuum transmitting tubes of the radiation-cooled type. Graphite has a higher radiation emissivity, resulting in lower glass temperatures and therefore less danger of glass electrolysis and strain cracking. Its use avoids anode warping and therefore result... View full abstract»

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  • Vacuum Tube Characteristics in the Positive Grid Region by an Oscillographic Method

    Publication Year: 1933, Page(s):1082 - 1096
    Cited by:  Papers (11)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2272 KB)

    A method of determining "complete" plate and grid characteristics of vacuum tubes in the positive grid region by means of oscillographic recording has been developed. A condenser of high capacity furnishes a single pulse of grid excita tion which can be made to cover the entire region from any desired positive grid voltage to zero. Due to the rapidity of this excitation instantaneous power input t... View full abstract»

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  • A Life Test Power Supply Utilizing Thyratron Rectifiers

    Publication Year: 1933, Page(s):1097 - 1102
    Cited by:  Papers (1)
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    Thyratron rectifiers for supplying high voltage direct current to radio transmitting tube life test racks are superior to motor-generator sets where quietness, flexibility, low operating cost, and safe operation over long intervals of time are desirable. An installation for supplying typical voltages, in conjunction with usual forms of electric power supplies is described. This consists of two hig... View full abstract»

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  • The Limiting Polarization of Downcoming Radio Waves Traveling Obliquely to the Earth's Magnetic Field

    Publication Year: 1933, Page(s):1103 - 1131
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2840 KB)

    The paper is a theoretical discussion of the limiting polarization of downcoming electromagnetic waves propagated at oblique angles to the earth's magnetic field. The main conclusions arrived at are: (a). The polarization of the downcoming wave tends to a definite limit on leaving the Kennelly-Heaviside layer. The limiting polarization has been shown to be very nearly independent, for conditions t... View full abstract»

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  • A Note on the Theory of the Magnetron Oscillator

    Publication Year: 1933, Page(s):1132 - 1133
    Cited by:  Papers (2)
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    First Page of the Article
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  • Determination of Grid Driving Power in Radio-Frequency Power Amplifiers

    Publication Year: 1933, Page(s):1134 - 1141
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (608 KB)

    An approximate method of determining the power required to drive the grid circuit of a vacuum tube power amplifier of the class C type when operating at radio frequencies is developed, and a comparison given between the results obtained by this method, and more exact measurements made at sixty cycles. The only quantities which need to be known for the method described are the grid excitation volta... View full abstract»

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  • Amplitude Characteristics of Coupled Circuits Having Distributed Constants

    Publication Year: 1933, Page(s):1142 - 1181
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3888 KB)

    A general solution for the amplitude characteristics (resonance curves) for bridge-coupled circuits having distributed line constants is obtained and applied to typical circuit arrangements including those encountered in wavelength measurement using parallel wires. The physical conditions under which the theory may be applied are analyzed; theoretical curves are computed for a typical selection of... View full abstract»

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  • Frequency Modulation and the Effects of a Periodic Capacity Variation in a Nondissipative Oscillatory Circuit

    Publication Year: 1933, Page(s):1182 - 1202
    Cited by:  Papers (7)  |  Patents (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2312 KB)

    Certain fundamental characteristics of the theory of frequency modulation for arbitrarily large degrees of modulation and unrestricted modulation frequencies are developed from the differential equation for a dissipationless circuit with fixed inductance and variable capacitance. The several modes of modulating the frequency are discussed and classified; it is shown that they give the same results... View full abstract»

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  • Modulation Products in a Power Law Modulator

    Publication Year: 1933, Page(s):1203 - 1209
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (600 KB)

    Expansion of the current as a function of the voltage in a multiple Fourier series is used to solve the problem of determining the amplitude of the various frequency components produced when a voltage is applied across a resistance, the current in which varies as a power of the voltage across it. Recurrence formulas are developed by which the higher order products can be computed from those of low... View full abstract»

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  • A method for calculating transmission properties of electrical networks consisting of a number of sections

    Publication Year: 1933, Page(s):1210 - 1220
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (668 KB)

    The solution of certain electrical networks can be made to depend on the solution of a much-studied mathematical problem in difference equations. This fact, while recognized for some time, has not received as much attention as it deserves. On the following pages we have worked out several relatively simple electrical networks by the method of difference equations. Our aim was not to obtain the sol... View full abstract»

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  • Book reviews

    Publication Year: 1933, Page(s):1221 - 1223
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  • Bookelts, catalogs, and pamphlets received

    Publication Year: 1933, Page(s): 1224
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  • Radio abstracts and references

    Publication Year: 1933, Page(s):1225 - 1229
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  • Contributors to this issue

    Publication Year: 1933, Page(s):1230 - 1231
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Aims & Scope

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

Full Aims & Scope