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Proceedings of the IRE

Issue 3 • Date March 1940

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Displaying Results 1 - 18 of 18
  • [Front cover]

    Publication Year: 1940, Page(s): c1
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  • Joint Meeting with American Section, Intemational Scientific Radio Union

    Publication Year: 1940, Page(s): c2
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  • Table of contents

    Publication Year: 1940, Page(s): nil1
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  • Information about the Society

    Publication Year: 1940, Page(s): nil2
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  • Radio progress during 1939

    Publication Year: 1940, Page(s):99 - 125
    Cited by:  Papers (1)
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  • A Wide-Band Inductive-Output Amplifier

    Publication Year: 1940, Page(s):126 - 130
    Cited by:  Papers (16)  |  Patents (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1824 KB)

    In order to obtain amplification over a wide band of frequencies, a tube having high transconductance and low input and output capacitance is required. A grid-controlled inductive-output tube having these attributes and giving 10 watts output at 500 megacycles is described. A high ratio of transconductance to input capacitance is attained by close cathode-grid spacing and large grid-screen spacing... View full abstract»

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  • Multiunit Electromagnetic Horns

    Publication Year: 1940, Page(s):130 - 136
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    Composite radiating or receiving systems for ultra-high frequencies may be built with electromagnetic horns as elements that are so positioned and interconnected as to produce the desired characteristics. Several different arrangements are discussed theoretically and experiments made at a wavelength of 8.3 centimeters are described. View full abstract»

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  • Note on Modulation

    Publication Year: 1940, Page(s):136 - 139
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (672 KB)

    It is shown that the usual nonperiodic solution of d2y -+ e(1 + k cos t)y = 0 dt2can always be interpreted in the stable case as a wave undergoing simultaneous phase and amplitude modutlation. An analysis is carried through on this basis. View full abstract»

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  • Characteristics of the Ionosphere at Washington, D.C., January, 1940, with Predictions for April, 1940

    Publication Year: 1940, Page(s):139 - 140
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (487 KB)

    Data on the ordinary-wave critical frequencies and virtual heights of the ionospheric layers are presented for the period indicated in the title. The monthly average values of the maximum usable frequencies for undisturbed days, for radio transmission by way of the regular layers is also provided. View full abstract»

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  • Institute news and radio notes

    Publication Year: 1940, Page(s):141 - 151
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  • Books

    Publication Year: 1940, Page(s):151 - 152
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  • Report of the Secretary - 1939

    Publication Year: 1940, Page(s):153 - 155
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  • Contributors

    Publication Year: 1940, Page(s): 156
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  • Current Literature

    Publication Year: 1940, Page(s): vi
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  • Booklets, catalogs and pamphlets

    Publication Year: 1940, Page(s): viii
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  • Engineering directory [advertisement]

    Publication Year: 1940, Page(s): xii
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  • Index [of advertisers]

    Publication Year: 1940, Page(s): xii
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  • Positions open

    Publication Year: 1940, Page(s): xii
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Aims & Scope

This Periodical ceased production in 1962. The current retitled publication is Proceedings of the IEEE.

Full Aims & Scope