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Proceedings of the IRE

Issue 1 • Date Jan. 1956

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Displaying Results 1 - 25 of 34
  • Information about the Society

    Publication Year: 1956, Page(s): 1
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  • Table of contents

    Publication Year: 1956, Page(s): 2
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  • Proceedings of the IRE Contents of Volume 44 - 1956

    Publication Year: 1956
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  • Index to authors

    Publication Year: 1956, Page(s):8 - 9
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  • Index to book reviews

    Publication Year: 1956, Page(s):10 - 11
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  • Index to subjects

    Publication Year: 1956, Page(s):11 - 15
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  • Nontechnical index

    Publication Year: 1956, Page(s):15 - 20
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  • Contents

    Publication Year: 1956, Page(s): 1
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  • Arthur V. Loughren, President, 1956

    Publication Year: 1956, Page(s): 2
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  • The State of Radio and Electronics in Egypt

    Publication Year: 1956, Page(s): 3
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  • A Survey of the Application of Ferrites to Inductor Design

    Publication Year: 1956, Page(s):4 - 13
    Cited by:  Papers (2)
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    Within the last ten years, due to the advent of ferrites important new possibilities in inductor design have materialized. Higher Q's, smaller sizes, and lower costs are among the advantages these new magnetic materials offer. This paper discusses the properties of ferrites and reviews the progress that has been made thus far in their application to inductors. View full abstract»

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  • Electromechanical Filters for 100-Kc Carrier and Sideband Selection

    Publication Year: 1956, Page(s):14 - 18
    Cited by:  Papers (3)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2782 KB)

    A general discussion of a torsional type mechanical filter and its termination by mechanical and electrical means is followed by a detailed description of two 100-kc filters, one 50 cycles wide and the other 3.1 kc wide. The design, fabrication, and frequency adjustment of one-piece multiple section filters is described. Frequency stability better than 2 parts per million per degree centigrade is ... View full abstract»

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  • New Microwave Repeater System Using Traveling-Wave Tubes

    Publication Year: 1956, Page(s):19 - 24
    Cited by:  Papers (3)
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    This paper describes a new microwave relaying system using traveling-wave tubes (TWT), and utilizing its large inherent frequency bandwidth. In this system, the increased gain is obtained by amplifying the input signal through the TWT Amplifier, and reamplifying it in the same TWTA after heterodyning the frequency to the second frequency. The signal received could be amplified in the same TWTA mor... View full abstract»

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  • Geophysical Prospection of Underground Water in the Desert by Means of Electromagnetic Interference Fringes

    Publication Year: 1956, Page(s):24 - 30
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1275 KB)

    This paper introduces the principles and techniques of underground water prospection in the desert by means of electromagnetic interference fringes. Part I formulates the ''Variable Frequency Interference Method" while Part II deals with the ''Variable Distance Interference Method." Samples of interference patterns obtained at two places in the Egyptian deserts are shown. The water table at one of... View full abstract»

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  • A Transmission Line Taper of Improved Design

    Publication Year: 1956, Page(s):31 - 35
    Cited by:  Papers (141)  |  Patents (10)
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    The theory of the design of optimal cascaded transformer arrangements can be extended to the design of continuous transmission-line tapers. Convenient relationships have been obtained from which the characteristic impedance contour for an optimal transmission-line taper can be found. The performance of the Dolph-Tchebycheff transmission-line taper treated here is optimum in the sense that it has m... View full abstract»

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  • A Precision Resonance Method for Measuring Dielectric Properties of Low-Loss Solid Materials in the Microwave Region

    Publication Year: 1956, Page(s):35 - 42
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3094 KB)

    A precision resonance method for measuring the dielectric properties of low loss solid materials has been developed in our laboratory. The dielectric sample to be measured is shaped into a cylindrical disk and inserted into a cylindrical cavity resonator oscillating in the T10, mode. ¿ can be measured from the difference between the axial lengths of the cavity tuned to the same frequency with and... View full abstract»

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  • Transistor Amplifiers for Use in a Digital Computer

    Publication Year: 1956, Page(s):43 - 55
    Cited by:  Papers (2)
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    Several transistor pulse-regenerative amplifier circuits suitable for use in a 3 megacycle digital computer are described. These circuits all utilize a type of feedback which is essentially external to the transistor. As a consequence, a negative resistance transistor characteristic is not required. Some of these circuits were designed specifically to be relatively tolerant of the slow recovery of... View full abstract»

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  • A Developmental Wide-Band, 100-Watt, 20 DB, S-Band Traveling-Wave Amplifier Utilizing Periodic Permanent Magnets

    Publication Year: 1956, Page(s):55 - 61
    Cited by:  Papers (3)
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    A developmental, 100-watt, S-band traveling-wave amplifier utilizing ceramic "periodic" permanent magnets to focus the electron beam is described. The minimum peak power output of the tube is 100 watts at a gain of at least 20 db at frequencies from 2,000 to 3,800 magacycles per second. At lower power levels, a gain of 36 db has been measured in the center of the frequency band. The operating volt... View full abstract»

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  • Spurious Modulation of Electron Beams

    Publication Year: 1956, Page(s):61 - 64
    Cited by:  Papers (24)
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    This paper describes spurious modulation effects commonly observed in electron tubes employing high current electron beams. The modulation is caused by positive ions and secondary electrons moving in the beam. It is eliminated by pumping the tube to high vacuum and retarding or deflecting the secondary electrons. View full abstract»

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  • Negative Resistance Regions in the Collector Characteristics of the Point-Contact Transistor

    Publication Year: 1956, Page(s):65 - 72
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    The negative resistance regions in the active portion of the point-contact collector characteristics are characterized in terms of three unique types of anomalies in the current multiplication properties of the device. While the interaction of the ¿ anomalies and the associated circuitry result in a measuring circuit instability, the negative resistances are true device properties which are attri... View full abstract»

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  • The Dependence of Transistor Parameters on the Distribution of Base Layer Resistivity

    Publication Year: 1956, Page(s):72 - 78
    Cited by:  Papers (95)
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    This paper presents a method of analyzing transistor behavior for any base-layer impurity distribution. In particular, expressions are derived for emitter efficiency ¿, transverse sheet resistance R, transit time ¿, and frequency cut-off f¿. The parameters ¿ and R are functions only of the total number of impurities in the base layer. The analysis is used to derive ¿, R, ¿ and f¿ for four d... View full abstract»

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  • Surface Resistance and Reactance of Metals at Infrared Frequencies

    Publication Year: 1956, Page(s):78 - 81
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  • Transverse-Field Traveling-Wave Tubes with Periodic Electrostatic Focusing

    Publication Year: 1956, Page(s):82 - 89
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2694 KB)

    Traveling-wave tubes are described in which the wave-propagating structure constitutes a smooth, balanced transmission line for radio frequency signals while at the same time providing a space-periodic focusing field at zero frequency. Experimental structures for the 500-900 mc band have wave velocities of 1 to 2 per cent of light and characteristic impedances of about 500 ohms. A simplified theor... View full abstract»

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  • A Simplified Method of Solving Linear and Nonlinear Systems

    Publication Year: 1956, Page(s):89 - 101
    Cited by:  Papers (27)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1939 KB)

    A simplified method for obtaining the response of linear and nonlinear systems, without knowledge of the roots of the system characteristic equation, is described. The solutions are given as time series representing the values of the response at equally spaced instants of time. Initial conditions are introduced easily through the use of the Laplace transform. It is shown that the Laplace transform... View full abstract»

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  • Multi-Beam Velocity-Type Frequency Multiplier

    Publication Year: 1956, Page(s):101 - 106
    Cited by:  Papers (3)
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    One of the limitations imposed upon a conventional frequency multiplier using a double-cavity klystron is the restriction of rf output caused by the mutual repulsion of electrons. To overcome this difficulty a multibeam velocity-type frequency multiplier was proposed by the author, and theoretical and experimental investigations were made. Another type of multibeam frequency multiplier has been pr... View full abstract»

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Aims & Scope

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

Full Aims & Scope