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Proceedings of the Institute of Radio Engineers

Issue 3 • Date Sep 1915

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Displaying Results 1 - 9 of 9
  • Information about the Society

    Publication Year: 1915, Page(s):207 - 213
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  • Table of contents

    Publication Year: 1915, Page(s): 209
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    Freely Available from IEEE
  • Proceedings of the Boston Section of the Institute of Radio Engineers

    Publication Year: 1915, Page(s): 214
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  • Some Recent Developments in the Audion Receiver

    Publication Year: 1915, Page(s):215 - 238
    Cited by:  Papers (26)  |  Patents (1)
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    The action of the audion as a detector and simple amplifier is explained, with the method of verification of the theory by means of oscillograms. To reinforce the oscillations in the grid circuit two methods are employed: first, to couple the grid circuit to the wing circuit and arrange the latter to permit radio frequency currents to pass freely in it; and second, to use a large inductance in the... View full abstract»

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  • Discussion

    Publication Year: 1915, Page(s):239 - 247
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  • Developments of the Heterodyne Receiver

    Publication Year: 1915, Page(s):249 - 259
    Cited by:  Papers (3)
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    The heterodyne receiver is defined and explained. Various arrangements for heterodyne reception are discussed. The use of the "regenerative" or oscillating audion is then considered. It is shown how any energy-amplifying relay can become an oscillation generator. Several instances are given. In connection with beat reception using the audion generator, it is stated that most satisfactory results a... View full abstract»

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  • The Pure Electron Discharge. And its Applications in Radio Telegraphy and Telephony

    Publication Year: 1915, Page(s):261 - 286
    Cited by:  Papers (10)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3280 KB)

    The thermionic current produced by the emission of free negative electrons from the surface of heated metals is described in detail. Its theoretical magnitude is calculated for certain definite cases. The limitation of thermionic currents by space charges around the cathode (in high vacua) is explained. In reviewing the bibliography of the subject, it is shown that the preponderance of opinion bef... View full abstract»

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  • Discussion

    Publication Year: 1915, Page(s):287 - 293
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  • A Derivation of the Bjerknes Logarithmic Decrement Formula

    Publication Year: 1915, Page(s):295 - 302
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (608 KB)

    The Bjerknes method of determining the logarithmic decrement of a circuit consists in coupling loosely to it an oscillatory circuit containing a thermo indicator; the latter circuit having known constants. From the resonance curve obtained by detuning the latter circuit, the logarithmic decrement of the unknown circuit is calculable by formula (30) above. The current in the resonant circuit is the... View full abstract»

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Aims & Scope

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

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