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Proceedings of the Institute of Radio Engineers

Issue 2 • Date Feb. 1933

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  • [Front cover]

    Publication Year: 1933, Page(s): c1
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  • Institute of Radio Engineers - Forthcoming Meetings

    Publication Year: 1933, Page(s): c2
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  • Contents

    Publication Year: 1933, Page(s): i
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  • General Information

    Publication Year: 1933, Page(s): ii
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  • Institute sections

    Publication Year: 1933, Page(s): iii
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  • Geographical Location of Members Elected January 4, 1933

    Publication Year: 1933, Page(s): iv
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  • Applications for Membership

    Publication Year: 1933, Page(s): v
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  • Officers and Board of Directors, 1933

    Publication Year: 1933, Page(s): vi
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  • Charles William Horn, Director, 1933

    Publication Year: 1933, Page(s): 174
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  • Institute news and radio notes

    Publication Year: 1933, Page(s):175 - 189
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  • Harry Shoemaker

    Publication Year: 1933, Page(s):190 - 191
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  • The Required Mininum Frequency Separation between Carrier Waves of Broadcast Stations

    Publication Year: 1933, Page(s):193 - 211
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1720 KB)

    The general problem of interference between adjaceni broadcast channels is discussed in relation to the average distribution of power over the frequency range of typical broadcast signals, the response characteristics of the ear, and the frequency characteristics of transmitters and receivers. The discussion includes a consideration of what may be accomplished by modifying the characteristics of t... View full abstract»

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  • Low Power Radio Transmitters for Broadcasting

    Publication Year: 1933, Page(s):212 - 227
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4792 KB)

    This paper discusses the place of low powered installations in the existing radio broadcast system, and the importance of apparatus for such stations meeting the present-day requirements pertaining to frequency stability, modulation capability, fidelity, and radio-frequency harmonics. The characteristics and more interesting features of a new line of transmitters covering the range of output from ... View full abstract»

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  • Supervisory and Control Equipment for Audio-Frequency Amplifiers

    Publication Year: 1933, Page(s):228 - 237
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    This paper is divided into two parts: In the first part a new type of level indicator is presented, and in the second a device for controlling the output signal of an amplifier is described. Part I: Two types of level indicators in use at the present time on audio-frequency amplifiers are the r-m-s voltmeter and the average voltmeter. Neither of these will tell the operator how near the signal is ... View full abstract»

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  • General Theory on the Propagation of Radio Waves in the Ionized Layer of the Upper Atmosphere

    Publication Year: 1933, Page(s):238 - 262
    Cited by:  Papers (2)
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    1. Theories on the propagation of radio waves in the entire range of frequencies used in communications are treated together with discussions on the applicable limit of the theory of geometrical optics to wave propagation. 2. Definitions of the "low-frequency," "medium-frequency," "medium-high-frequency," and "high-frequency" waves are given from the theoretical points of view. 3. A new term, "ste... View full abstract»

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  • Some Long-Distance Transmission Phenomena of Low-Frequency Waves

    Publication Year: 1933, Page(s):263 - 270
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (648 KB)

    From the results of a series of twenty-four-hour receiving measurements conducted here for more than two and a half years, some interesting phenomena are picked out and discussed. The main points of the conclusions reached are: (1) the daylight signal strength of Kahuku is greater than the night signal strength; (2) several successive crevasses of about a two hours' period are observed regularly i... View full abstract»

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  • A Practical Analysis of Parallel Resonance

    Publication Year: 1933, Page(s):271 - 281
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    Vector diagrams are developed for various conditions of tuning parallel circuits, and from the geometry of the diagrams mathematical relations are derived. These relations are then plotted for use in tuning operations. Two examples are given of the practical application of the analysis. View full abstract»

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  • Relations between the Parameters of Coupled-Circuit Theory and Transducer Theory with Some Applications

    Publication Year: 1933, Page(s):282 - 289
    Cited by:  Papers (3)
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    Relations between the impedance parameters usually used in coupled-circuit theory and those of transducer theory are derived. These indicate some useful methods of attacking certain problems-the determination of resonance conditions in a chain of coupled circuits, for example. View full abstract»

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  • Graphical Methods for Problems Involving Radio-Frequency Transmission Lines

    Publication Year: 1933, Page(s):290 - 302
    Cited by:  Papers (2)
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    When designing arrangements embodying radio-frequency transmission lines it is in most cases permissible to neglect resistance and leakage conductance of the line. The analysis, therefore, becomes considerably simplified as compared with the exact treatment. Using the above assumption, in this paper graphical methods are given for the determination of currents, voltages, and impedances along a tra... View full abstract»

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  • Ellipse Diagram of a Lecher Wire System

    Publication Year: 1933, Page(s):303 - 311
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (472 KB)

    According to theoretical investigation, the current through the end of a Lecher wire system has been found to be inversely proportional to the length of a radius vector drawn from a point to the boundary of an ellipse. Such a diagram is called an "ellipse diagram" of the Lecher wire system, and is analogous to the so-called circle diagram for the induction motor. The nature of this diagram is expl... View full abstract»

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  • Discussion on "On the Amplitude of Driven Loud Speaker Cones" (M.J.O. Strutt)

    Publication Year: 1933, Page(s):312 - 314
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  • Discussion on "Historical Review of Ultra-Short-Wave Progress" (William H. Wenstrom)

    Publication Year: 1933, Page(s):315 - 316
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  • Book reviews

    Publication Year: 1933, Page(s): 317
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  • Bookelts, catalogs, and pamphlets received

    Publication Year: 1933, Page(s): 318
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  • Radio abstracts and references

    Publication Year: 1933, Page(s):319 - 325
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Aims & Scope

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

Full Aims & Scope