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Proceedings of the IRE

Issue 9 • Date Sept. 1949

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Displaying Results 1 - 25 of 27
  • Table of contents

    Publication Year: 1949, Page(s): 977
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  • Julius A. Stratton, Director, 1948-1950

    Publication Year: 1949, Page(s): 978
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  • Institute Publication Policy

    Publication Year: 1949, Page(s): 979
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  • Dotlble-Stream Amplifiers

    Publication Year: 1949, Page(s):980 - 985
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (904 KB)

    This paper presents expressions useful in evaluating the gain of a double-stream amplifier having thin concentric electron streams of different velocity and input and output gaps across which both streams pass. View full abstract»

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  • Part II-Investigations of High-Frequency Echoes

    Publication Year: 1949, Page(s):986 - 989
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4104 KB)

    Oscillographic high-speed records of high-frequency telegraph signals (10 to 20 Mc) which show periodic variations in the field strength are investigated in this paper. A movement of the ionospheric reflector is considered as the cause of Doppler shifts, which are measured within the amplitudes of interfering radio waves between two consecutive minima. The long-distance propagation which usually o... View full abstract»

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  • Microwave Filter Theory and Design

    Publication Year: 1949, Page(s):990 - 1000
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3048 KB)

    The first part of this paper gives the theory cf waveguide filters with arbitrary identical links, and their matching to a line. The treatment differs from that previously presented in the literature, in that the electromagnetic state of the impedors and transducers is described by relations between the incident and reflected waves. This simplifies the analysis of all waveguide systems, because ea... View full abstract»

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  • Stabilization of Simultaneous Equation Solvers

    Publication Year: 1949, Page(s):1000 - 1002
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1480 KB)

    A new stability criterion for multiple-loop feedback systems is developed and applied to the problem of stabilizing electronic simultaneous equation solvers. View full abstract»

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  • Novel Multiplying Circuits with Application to Electronic Wattmeters

    Publication Year: 1949, Page(s):1003 - 1015
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2720 KB)

    The primary relationship underlying this investigation is the exponential law relating plate current to plate voltage in a diode when operated in the so-called "retarding-field" region. By extending this classical mode of operation to multigrid tubes, the tube yielded further operating conditions in which plate current is accurately proportional to the product of a linear function of plate voltage... View full abstract»

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  • Graphical Analysis of Tuned Coupled Circuits

    Publication Year: 1949, Page(s):1016 - 1020
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (960 KB)

    A new basis for normalizing the transfer admittance of two coupled tuned circuits permits the representation of this admittance by a single universal curve which is a parabolic locus on the complex plane. Within the limitations of the assumptions of high Q and small frequency deviations, data can be obtained from this curve for different Q ratios, as well as the usual values of coupling and relati... View full abstract»

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  • An Analysis of Interlinked Electric and Magnetic Networks with Application to Magnetic Amplifiers

    Publication Year: 1949, Page(s):1021 - 1027
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2072 KB)

    A general system of equations is developed for the analysis of interlinked electric and magnetic networks. These equations are applied to the study of the steady-state behavior of six basic types of magnetic amplifier without feedback. The equations, which are non-linear, are solved to give the currents as functions of time for certain given applied voltages and given circuit and core parameters. ... View full abstract»

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  • Contributors to Proceedings of the I.R.E.

    Publication Year: 1949, Page(s):1028 - 1029
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  • Correspondence

    Publication Year: 1949, Page(s):1029 - 1031
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  • Institute news and radio notes

    Publication Year: 1949, Page(s):1032 - 1033
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  • Books

    Publication Year: 1949, Page(s):1033 - 1039
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  • Sections

    Publication Year: 1949, Page(s):1037 - 1038
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  • IRE People

    Publication Year: 1949, Page(s):1039 - 1040
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  • The Program for New Aids to Air Navigation

    Publication Year: 1949, Page(s):1041 - 1042
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (568 KB)

    First Page of the Article
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  • Multipath Television Reflections

    Publication Year: 1949, Page(s):1043 - 1046
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1712 KB)

    The frequency dependence of the direction from which reflected television signals reach the receiver complicates the antenna design necessary to reduce reception of these reflected signals. A formula is derived for the strength of these reflections, and an analysis is made of some reflecting areas in order to find a reason for this frequency dependence. An antenna arrangement that appears particul... View full abstract»

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  • Regenerative Amplifiers

    Publication Year: 1949, Page(s):1046 - 1049
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (864 KB)

    This paper describes the principles and applications of regenerative amplifiers, which may be used, for example, to mark the instant when two voltages become equal. A peak voltmeter circuit based upon the switching properties of a regenerative amplifier is introduced to minimize the error encountered in measuring low duty-cycle pulses. The use of a regenerative amplifier in forming a pulse-width d... View full abstract»

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  • Design of Dissipative Band-Pass Filters Producing Desired Exact Amplitude-Frequency Characteristics

    Publication Year: 1949, Page(s):1050 - 1069
    Cited by:  Papers (55)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3400 KB)

    The purpose of this paper is to present a basic method of obtaining the exact required values for all circuit constants in a band-pass network using n finite-Q resonant circuits to obtain either of two types of exact amplitude responses; the socalled critical shape-coupled, Butterworth, or transitional type of response, and the so-called over-coupled or Chebishev type of response. The equation giv... View full abstract»

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  • Correction

    Publication Year: 1949, Page(s): 1069
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  • Cathode Neutralization of Video Amplifiers

    Publication Year: 1949, Page(s):1070 - 1073
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (624 KB)

    The usual cathode bypass capacitors are eliminated, and replaced by a resistor connected from cathode to cathode of succeeding stages. It is shown that no gain need be sacrificed, and a great reduction in low-frequency phase shift is obtained. The addition of a small capacitance across a portion of the intercathode resistance gives an improvement in high frequency response and phase shift. Gain an... View full abstract»

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  • A New Figure of Merit for the Transient Response of Video Amplifiers

    Publication Year: 1949, Page(s):1073 - 1077
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1056 KB)

    A figure of merit suitable for comparing the transient response of television video amplifiers is proposed. The parameters are adjusted so that when applied to a shunt-peaked interstage, the figure of merit reaches a maximum for an overshoot of approximately 2 per cent. Application of the suggested form to other types of interstages arranges the various networks in the order of their suitability i... View full abstract»

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  • Design Equations for Reactance-Tube Circuits

    Publication Year: 1949, Page(s):1078 - 1082
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (800 KB)

    Without assuming the usual approximations, design equations are derived for several systems of reactance-tube modulation. Empirical methods are used to derive expressions for the total band swept, in which the effect of each parameter can be directly evaluated. The analysis was completed without the use of the usually accepted simplifying relationships between the impedances of the feedback networ... View full abstract»

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  • Medium-Frequency Crossed-Loop Radio Direction Finder with Instantaneous Unidirectional Visual Presentation

    Publication Year: 1949, Page(s):1082 - 1088
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3168 KB)

    A radio direction finder is described which uses a crossed-loop collector system, electronic switch, single superheterodyne receiver, and synchronous rectifier to produce an instantaneous unidirectional visual indication of the direction of arrival of an electromagnetic wave. Design data and operating characteristics are considered, with details given of the new components. 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