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Proceedings of the IRE

Issue 12 • Dec. 1945

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  • [Front cover]

    Publication Year: 1945, Page(s):c1 - c2
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  • Table of contents

    Publication Year: 1945, Page(s): 819
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  • The Institute of Radio Engineers Incorporated

    Publication Year: 1945, Page(s): 820
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  • IRE Members, Their Institute, and Their Proceedings

    Publication Year: 1945, Page(s): 821
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  • William O. Swinyard Board of Directors-1945

    Publication Year: 1945, Page(s): 822
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  • The Enngineer's Place in Naval Research

    Publication Year: 1945, Page(s):823 - 824
    Cited by:  Papers (1)
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    First Page of the Article
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  • A Review of Plastic Materials

    Publication Year: 1945, Page(s):825 - 834
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    The spectacular growth of the plastics industry to its present state is a direct result of proved ability to meet war demands for critical items on a volume-production basis. Common plastic materials are classified according to their thermal characteristics and the methods of fabrication. Typical physical and electrical properties are presented for each of the general class of materials. It is poi... View full abstract»

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  • Effect of Surface Finish and Wall Thickness on the Operating Temperature of Graphite Radio-Tube Anodes

    Publication Year: 1945, Page(s):834 - 837
    Cited by:  Papers (1)
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    The effect of rough and smooth surfaces and variable wall thicknesses on the operating temperature of radio-tube graphite anodes has been determined. Simultaneous measurements of internal and external temperatures were made with two optical pyrometers on rough and polished hollow graphite cylinders with variable wall thicknesses. Because of the ideal black-body conditions inside the graphite tubes... View full abstract»

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  • A Coil-Neutralized Vacuum-Tube Amplifier at Very-High Frequencies

    Publication Year: 1945, Page(s):838 - 843
    Cited by:  Papers (3)
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    This paper describes a two-stage single-side coilneutralized amplifier employing an experimental triode operating in the vicinity of 140 megacycles. Circuit features are described and typical operating conditions are indicated. Typical distortion characteristics at low power levels are also included. View full abstract»

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  • Cathode-Follower Circuits

    Publication Year: 1945, Page(s):843 - 855
    Cited by:  Papers (8)
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    The cathode follower is a circuit of increasing importance for television and ultra-high-frequency applications, and has therefore received much attention in technical literature. Most of the publications deal with the cathode-output amplifier, a three-terminal device. In this paper, such systems are treated briefly along with applications of the cathode follower for voltage amplification and sign... View full abstract»

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  • Television Resolution as a Function of Line Structures

    Publication Year: 1945, Page(s):855 - 864
    Cited by:  Papers (2)
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    A labor-saving method is developed for obtaining complex wave shapes by means of evaluating integrals. This method is applied to the problem of square-wave pulse shapes containing large numbers (not infinite) of harmonic components. The method is applicable for any value of cutoff frequency, expressing this value in terms of electrical degrees. A theory of "aperture processes" is developed by math... View full abstract»

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  • Loop-Antenna Coupling-Transformer Design

    Publication Year: 1945, Page(s):865 - 867
    Cited by:  Papers (1)
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    The low-impedance loop coupling-transformer circuit is analyzed, expressing the transformer parameters in terms of the circuit and transformer coupling coefficients. Equations are developed which yield optimum design values for the transformer. It is shown that an ideal transformer-coupled loop has 38.4 per cent of the gain realizable from a direct-connected loop of the same area, assuming the sam... View full abstract»

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  • On the Theory of the Progressive Universal Winding

    Publication Year: 1945, Page(s):868 - 871
    Cited by:  Papers (3)
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    The rigorous theory previously developed by the author for the ordinary or stationary universal winding is extended to the progressive universal winding; in particular, an exact formula for calculating the gear ratio to be employed in winding a progressive universal coil is deduced, and, by neglecting certain terms therein, formulas representing various degrees of approximation of the same are der... View full abstract»

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  • Concernin Hallén's Integral Equation for Cylindrical Antennas

    Publication Year: 1945, Page(s):872 - 878
    Cited by:  Papers (8)
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    The main purpose of this paper is to explain the substantial quantitative discrepancy between Hallén's formula for the impedance of cylindrical antennas, and ours. Hallén's first approximation involves a tacit assumption that the antenna is short compared with the wavelength. Since the subsequent approximations depend on the first, they are degraded by this initial assumption. The approx... View full abstract»

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  • Frequency-Modulation Distortion Caused by Multipath Transmission

    Publication Year: 1945, Page(s):878 - 891
    Cited by:  Papers (20)
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    When a frequency-modulated wave is received by more than one path, so that two or more of the voltages which are induced in the antenna have nearly the same amplitude, considerable distortion can result. Large objects, such as hills or high buildings, can reflect and absorb the waves and thus cause interference. Two interfering waves will be in phase part of the time and out of phase part of the t... View full abstract»

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  • Symmetrical Antenna Arrays

    Publication Year: 1945, Page(s):892 - 896
    Cited by:  Papers (1)
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    A relatively simple method is presented for calculating the impedance properties of antenna arrays consisting of n identical radiators oriented at the vertices of regular polygons. All antennas are required to carry currents of equal magnitude, but not necessarily of the same phase. However, the choice of phase angle must be such that the required electrical symmetry of the array is unimpaired. Th... View full abstract»

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  • General Formulas for "T"- and "Π"-Network Equivalents

    Publication Year: 1945, Page(s):897 - 899
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    This paper presents the development of two sets of general formulas which determine a set of "T" or "Π" impedances equivalent to any linear, lumped-constant, four-terminal network. View full abstract»

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  • Institute news and radio notes

    Publication Year: 1945, Page(s):900 - 902
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  • Books

    Publication Year: 1945, Page(s):903 - 904
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  • Contributors

    Publication Year: 1945, Page(s):904 - 906
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  • Section meetings

    Publication Year: 1945, Page(s):34a - 38a
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  • Membership

    Publication Year: 1945, Page(s):38a - 62a
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  • Positions open

    Publication Year: 1945, Page(s):50a - 54a
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Aims & Scope

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

Full Aims & Scope