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Radio Engineers, Proceedings of the Institute of

Issue 5 • Date Oct. 1922

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Displaying Results 1 - 13 of 13
  • [Front cover]

    Page(s): c1
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  • Contents

    Page(s): 313
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  • Correction

    Page(s): 313
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    A corrected version of the final equation on page 131 of the Proceedings, April, 1922 (volume 10, number 2), is presented. View full abstract»

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  • General Information

    Page(s): 313
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  • Officers and Board of Direction, 1922

    Page(s): 314
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  • Receiving Measurements and Atmospheric Disturbances at the United States Naval Radio Research Laboratory, Bureau of Standards, Washington, May and June, 1922

    Page(s): 315 - 319
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    The daily values of the morning and afternoon strength of signals during May and June, 1922, from Nauen (12,500 meters) and Lafayette (24,000 meters), together with the strength of atmospheric disturbances are given in tabular form. View full abstract»

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  • The Dynatron Detector: A New Heterodyne Receiver for Continuous and Modulated Waves

    Page(s): 320 - 343
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    The dynatron is a tube having a filament, an anode, and a supplementary anode called a "dynode." The tube operation is based on the secondary emission of electrons from the anode. Its use as an oscillating detector for heterodyne reception is described, and the mathematical theory of its operation is given. The theory is verified experimentally with oscillo-graphic illustrations. View full abstract»

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  • Application to Radio of Wire Transmission Engineering

    Page(s): 344 - 368
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    The transmission losses in wire and radio communication are compared for various frequencies and distances of transmission. The effect of natural and signal interference at the receiving ends of such systems is described, and conclusions drawn as to the necessary minimum transmission levels to be maintained in wire and radio circuits. The limitations on two-way operation resulting from "singing" of the entire system are considered in each case, and for combination wire and radio circuits as well. The comparative usefulness of repeater stations for wire and radio used is derived. Several means of effective wire and radio telephony are described, notably transmission on one side band only. The transmission requirements in numerical form of a radio telephone system are then given. View full abstract»

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  • Discussion

    Page(s): 369 - 372
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  • A Method for Testing and Rating Electron Tube Generators

    Page(s): 373 - 392
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    Two new coefficients of the three-electrode tube are defined, which are significant in determining its behavior and merit as a generator of alternating currents in a highly periodic output circuit or antenna. These coefficients are based upon a simple theory of the operation of the tube as a generator and are adequate for a calculation of the power output in circuits with any type of coupling, provided certain circuital requirements are complied with which are consistent with the usual requirements of good design in radio-frequency circuits. A bridge method for measuring these coefficients is described, and experimental data upon a particular generating circuit are presented, illustrating their use in calculating the high-frequency power output. View full abstract»

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  • Mathematical Treatment of Rectification Phenomena

    Page(s): 393 - 398
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    By Fourier series analysis of the no-load voltage waves of multiphase tube rectifiers, the direct current component, the ripple voltage of the various harmonic frequencies, the available transformer output, and the harmonic composition of the supply current are obtained and tabulated for various cases. The effect of any unbalanced direct current component in the secondary circuit on transformer operation is described, and practical conclusions as to design are drawn. The effect of smoothing networks is considered, as well as the efficiency of utilization of the tubes in various multiphase combinations View full abstract»

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  • Discussion on "Radio Telegraphy"

    Page(s): 399 - 400
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  • Digest of United States Patents relating to radio telegraphy and telephony

    Page(s): 401 - 418
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Aims & Scope

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

Full Aims & Scope