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Proceedings of the IRE

Issue 8 • Date Aug. 1947

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  • Table of contents

    Publication Year: 1947, Page(s): 753
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  • Sir Noel Ashbridge, Vice-President-1947

    Publication Year: 1947, Page(s): 754
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  • Importance of Proper Engineering Organization to Industry

    Publication Year: 1947, Page(s): 755
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  • Electronic Computing Circuits of the ENIAC

    Publication Year: 1947, Page(s):756 - 767
    Cited by:  Papers (12)
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    The ENIAC (Electronic Numerical Integrator and Computer), the first electronic computing machine to be built, is a very large device (containing 18,000 vacuum tubes) compounded out of a few basic types of computing circuits. The design principles that were followed in order to insure reliable operation of the electronic computer are presented, and the basic types of computing circuits are analyzed... View full abstract»

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  • Automatic Frequency Control of Microwave Oscillators

    Publication Year: 1947, Page(s):767 - 771
    Cited by:  Papers (3)
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    A method for the automatic frequency control of any type of tunable microwave oscillator is described. In this method a servomechanism is used which includes a wave-guide discriminator circuit, a mercury-contact relay, a 60-cycle amplifier, and a small two-phase induction motor. Tests made on a preliminary model of a circuit of this type used with a 4000-megacycle oscillator showed that a stabilit... View full abstract»

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  • Harmonic-Amplifier Design

    Publication Year: 1947, Page(s):771 - 777
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    Two methods are presented for calculating the ideal performance of amplitude-variation-type harmonic amplifiers: (1), a slightly revised form of Terman's analysis, which is convenient for quickly obtaining approximate results, and (2), a graphical analysis which, while somewhat less rapid, is exact. In a frequency-multiplier stage the actual performance may come short of the ideal because of degen... View full abstract»

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  • Abstract of "A Method for Calculating Electric Field Strength in the Interference Region"

    Publication Year: 1947, Page(s): 777
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  • Electron Reflectors with a Quadratic Axial Potential Distribution

    Publication Year: 1947, Page(s):778 - 783
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    Trajectory equations are developed for accelerated electrons which enter a retarding, axially symmetric electrostatic field with a quadratic axial potential distribution. Neglecting space-charge effects of the electrons, such a field can be produced between two charged electrodes consisting of a cone and a hyperboloid. A focus criterion is established, and under these conditions the permissible an... View full abstract»

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  • Properties of Ridge Wave Guide

    Publication Year: 1947, Page(s):783 - 788
    Cited by:  Papers (183)  |  Patents (39)
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    Equations and curves giving cutoff frequency and impedance are presented for rectangular wave guide having a rectangular ridge projecting inward from one or both sides. It is shown that ridge wave guide has a lower cutoff frequency and impedance and greater higher-mode separation than a plain rectangular wave guide of the same width and height. The cutoff frequency equation is fairly accurate for ... View full abstract»

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  • Artificial Electrical Twinning in Quartz Crystals

    Publication Year: 1947, Page(s):789 - 790
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    By local heating to temperatures below 573 degrees centigrade, localized twinning is easily produced in AT-CT-, and GT-cut quartz plates. This twinning is of the electrical or Dauphine type. Such twinning may result from manufacturing operations, but may be prevented. View full abstract»

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  • Correspondence

    Publication Year: 1947, Page(s):791 - 793
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  • Contributors to the Proceedings of the I.R.E.

    Publication Year: 1947, Page(s):793 - 794
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  • Institute news and radio notes

    Publication Year: 1947, Page(s):795 - 804
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  • Books

    Publication Year: 1947, Page(s):805 - 806
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  • Officers, Philadelphia Section - May 1946-May 1947

    Publication Year: 1947, Page(s): 807
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  • Evolution

    Publication Year: 1947, Page(s): 808
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  • Electronics at Peace

    Publication Year: 1947, Page(s): 809
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  • A Test for a Successful Institute Section

    Publication Year: 1947, Page(s):809 - 810
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  • Relation of the Engineering Profession to World Affairs

    Publication Year: 1947, Page(s):810 - 812
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  • Magnetic Deflection of Kinescopes

    Publication Year: 1947, Page(s):813 - 821
    Cited by:  Papers (2)
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    This paper investigates some basic principles in the operation of systems for magnetic deflection of television tubes. In the first part, the energy of the deflecting field is calculated for various deflection angles and beam voltages. It is found that sweep amplifiers are preferably operated with a positive rate of change of plate current. This causes a considerable plate-voltage drop, for which ... View full abstract»

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  • Electronic Indicator for Low Audio Frequencies

    Publication Year: 1947, Page(s):821 - 827
    Cited by:  Papers (1)
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    An instrument which indicates the frequencies of the components in a periodic complex electrical waveform is described. The frequencies are displayed on four parallel linear scales on a cathode-ray tube. The scales can be set up, without frequency calibration and with an accuracy of 3 per cent, from design equations developed in this paper. The range of indication is from 1 cycle to 1 kilocycle pe... View full abstract»

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  • A Coaxial Load for Ultra-High-Frequency Calorimeter Wattmeters

    Publication Year: 1947, Page(s):827 - 829
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    A design is described for a broad-band coaxial water load suitable for use in ultra-high-frequency calorimeter wattmeters. The load utilizes a water-filled coaxial line as an attenuating section. The low input impedance of this line is matched to the standard transmission-cable impedance in a broadband matching section using a tapered dielectric composed of titanium dioxide. Several requirements i... View full abstract»

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  • Charts for Resonant Frequencies of Cavities

    Publication Year: 1947, Page(s):830 - 841
    Cited by:  Papers (1)
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    Six charts are given which may be used for designing cylindrical resonant cavities whose cross sections are circles, concentric circles, squares, or rectangles. A new method of representing multiple-resonance phenomena is used, to which the name "mode lattice" has been given. The mode lattice is an alignment chart which relates the size and shape of a cavity with resonant wavelength for a large nu... View full abstract»

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  • Contributors to Waves and Electrons Section

    Publication Year: 1947, Page(s):841 - 842
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  • Abstracts and references

    Publication Year: 1947, Page(s):843 - 856
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Aims & Scope

This Periodical ceased production in 1962. The current retitled publication is Proceedings of the IEEE.

Full Aims & Scope