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Proceedings of the Institute of Radio Engineers

Issue 8 • Aug. 1927

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Displaying Results 1 - 14 of 14
  • [Front cover]

    Publication Year: 1927, Page(s):c1 - c2
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  • Contents

    Publication Year: 1927, Page(s): 659
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  • General Information

    Publication Year: 1927, Page(s):659 - 667
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  • Officers and Board of Direction, 1927

    Publication Year: 1927, Page(s):660 - 662
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  • Obituary [Cornelius Johannes de Groot]

    Publication Year: 1927, Page(s): 668
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  • A New Frequency Transformer or Frequency Changer

    Publication Year: 1927, Page(s):669 - 678
    Cited by:  Papers (8)
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    Alternating current having a frequency which is any fractional value of the frequency of a supplied current, can be obtained by means of a triode oscillator. The phenomenon seems to be due to the "attraction" of two nearly equal frequencies occurring in the triode circuit and to the non-linear characteristic of a triode. View full abstract»

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  • Audio Frequency Transformers

    Publication Year: 1927, Page(s):679 - 686
    Cited by:  Papers (2)
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    In the foregoing paper a method for calculating the amplification curve of an audio frequency transformer is developed in terms of the usual constants of the transformer and of the tube. The distributed capacity of the coils and the mutual capacity between the primary and secondary coils are represented by lumped capacities. The exciting current of the transformer is neglected. As the equation for... View full abstract»

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  • Notes on the Testing of Audio Frequency Amplifiers

    Publication Year: 1927, Page(s):687 - 706
    Cited by:  Papers (4)
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    The more necessary of the various points which must be tested in examining the performance of audio frequency amplifiers are outlined, and a method of test procedure, found by the author to have desirable characteristics from the points of view of accuracy, speed, and simplicity of operation, is described. The method used permits the complete curve of amplification vs. frequency for the amplifier ... View full abstract»

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  • Variations in High-Frequency Ground Wave Ranges

    Publication Year: 1927, Page(s):707 - 708
    Cited by:  Papers (1)
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  • A Suggestion of a Connection between Radio Fading and Small Fluctuations in the Earth's Magnetic Field

    Publication Year: 1927, Page(s):709 - 723
    Cited by:  Papers (5)
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    The state of polarization of a radio wave returned by the reflecting layer is studied as a function of (a) small changes in the intensity of the Earth's magnetic field, (b) small changes in the frequency of the wave, and (c) small changes in the ionization of the atmosphere. It is shown that for the special electron distribution considered appreciable effects on the intensity of the signal are to ... View full abstract»

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  • Note on Piezoelectric Generators with Small Back Action

    Publication Year: 1927, Page(s):725 - 726
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  • Standard Frequency Dissemination

    Publication Year: 1927, Page(s):727 - 731
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  • Formulas for the Calculation of the Capacity of Antennas

    Publication Year: 1927, Page(s):733 - 736
    Cited by:  Papers (1)
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  • Digests of United States Patents relating to radio telegraphy and telephony

    Publication Year: 1927, Page(s):737 - 742
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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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