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Proceedings of the Institute of Radio Engineers

Issue 2 • Date Feb. 1936

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  • [Front cover]

    Publication Year: 1936, Page(s): c1
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  • Institute of Radio Engineers - Forthcoming Meetings

    Publication Year: 1936, Page(s): c2
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  • Contents

    Publication Year: 1936, Page(s): i
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  • General Information

    Publication Year: 1936, Page(s): ii
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  • Institute sections

    Publication Year: 1936, Page(s): iii
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  • Geographical Location of Members Elected January 8, 1936

    Publication Year: 1936, Page(s): iv
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  • Applications for Membership

    Publication Year: 1936, Page(s):v - vi
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  • Officers and Board of Directors

    Publication Year: 1936, Page(s): vii
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  • Institute news and radio notes

    Publication Year: 1936, Page(s):139 - 158
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  • Preferred Numbers

    Publication Year: 1936, Page(s):159 - 179
    Cited by:  Papers (2)
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    The history of preferred numbers in this country is given briefly and the present status of recommendations of the American Standards Association is described. The subject is explained, and advantages to design and manufacture which the system affords are outlined. Tables are given of preferred numbers recommended by the American Standards Association, in both decimal and fractional systems, and r... View full abstract»

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  • A New Type of Gas-Filled Amplifier Tube

    Publication Year: 1936, Page(s):180 - 189
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (992 KB)

    The Raytheon Laboratories have had under development for several years a gas-or vapor-filled amplifier tube. This paper describes the general features of this type of tube and gives the detailed characteristics of some typical designs. A distinctive feature of these gas-filled tubes is the introduction of an auxiliary grid-form electrode which serves as the anode for an ionizing discharge and at t... View full abstract»

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  • Some Engineering and Economic Aspects of Radio Broadcast Coverage

    Publication Year: 1936, Page(s):190 - 206
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2512 KB)

    The results of a quantitative study of the major factors affecting radio broadcast coverage are given for a frequency range from 200 to 2000 kilocycles and for transmission conditions covering the range normally experienced in the United States The effects of terrain, frequency, and antenna design in limiting the maximum nighttime service range of broadcast stations are discussed and it is shown t... View full abstract»

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  • A New Tube for Use in Superheterodyne Frequency Conversion Systems

    Publication Year: 1936, Page(s):207 - 218
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1248 KB)

    The major disadvantage of existing methods of frequency mixing is found in high-frequency operation with comparatively low intermediate frequencies, where serious coupling exists between oscillator and signal circuits in spite of, electrostatic screening. Suppressor modulation of a radio-frequency pentode largely overcomes many of the defects but the oscillator voltage required is large and the lo... View full abstract»

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  • Design of Audio-Frequency Amplifier Circuits Using Transformers

    Publication Year: 1936, Page(s):219 - 232
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1304 KB)

    The computation of performance of a transformer at frequencies near resonance is simplified for the case in which the secondary is loaded with resistance. The information is presented in the form of a family of curves in which the generator and load resistances are the dependent and independent variables. The parameter, or third variable, held constant for a given curve, is the ratio of gain at re... View full abstract»

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  • An Experimental Study of Parasitic Wire Reflectors on 2.5 Meters

    Publication Year: 1936, Page(s):233 - 254
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3088 KB)

    This paper presents the results of an experimental investigation of the energy distribution in a horizontal plane due to the juxtaposition of a vertical antenna and parallel parasitic rod-shaped conductors. The reduction of spurious radiation to a minimum, through a special arrangement of the apparatus, results in symmetry of the polar radiation patterns and makes it possible to appraise accuratel... View full abstract»

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  • A Method for Determining the Residual Inductance and Resistance of a Variable Air Condenser at Radio Frequencies

    Publication Year: 1936, Page(s):255 - 274
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2104 KB)

    When using a variable air condenser as a reactance standard at radio frequencies it is important to know the variation in effective capacitance and power factor with frequency. The procedure outlined in this paper furnishes a method for the measurement of the residual impedances causing such variations. A qualitative discussion of the sources of both residual inductance and resistance is presented... View full abstract»

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  • Eddy Currents in Composite Laminations

    Publication Year: 1936, Page(s):275 - 286
    Cited by:  Papers (6)
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    The familiar theory of eddy current shielding leads to an expression for the impedance of a ferromagnetic core inductance coil in terms of the initial permeability and resistivity of the core material, the core geometry, and the measuring frequency. Measurements on a number of different core materials over a wide frequency range have revealed sizeable deviations from the theory in some cases. The ... View full abstract»

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  • Cathode-Ray Oscillographic Investigations on Atmospherics

    Publication Year: 1936, Page(s):287 - 304
    Cited by:  Papers (3)
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    An analysis of the true nature of the wave forms of atmospherics, when they show rapid time variations, can easily be obtained by using cathode-ray oscillographs with very high speed recording. The author describes the arrangement that he has used for recording and analyzing atmospherics, with his relay construction of high voltage cathode-ray oscillographs. These instruments were connected throug... View full abstract»

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  • Optimum Operating Conditions for Class B Radio-Frequency Amplifiers

    Publication Year: 1936, Page(s):305 - 315
    Cited by:  Papers (2)
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    A theoretical analysis of the efficiency and output of a triode operating as a class B radio-frequency amplifier is made. It is shown that for a given tube, plate voltage, and plate loss there is a definite value of load impedance which will give maximum output. Design formulas are developed for determining this load impedance, the proper grid excitation, and the resultant efficiency and output. View full abstract»

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  • A Network Theorem

    Publication Year: 1936, Page(s):316 - 327
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1104 KB)

    It is shown that any relation between any of the commonly used parameters of a linear passive network (of any complexity) with two pairs of terminals is the equivalent of some other equally true relation which, by a simple rule for symbol substitution, may be obtained from, but is not necessarily algebraically contained in, the original expression. This symbol substitution theorem applies not only... View full abstract»

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  • Discussion on "Parasites and Instability in Radio Transmitters" (G. W. Fyler)

    Publication Year: 1936, Page(s):328 - 329
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  • Book reviews

    Publication Year: 1936, Page(s): 330
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  • Booklets, catalogs and pamphlets received

    Publication Year: 1936, Page(s): 331
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  • Contributors to this issue

    Publication Year: 1936, Page(s):332 - 334
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Aims & Scope

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

Full Aims & Scope