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Proceedings of the Institute of Radio Engineers

Issue 9 • Sept. 1935

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  • [Front cover]

    Publication Year: 1935, Page(s): c1
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  • Institute of Radio Engineers - Forthcoming Meetings

    Publication Year: 1935, Page(s): c2
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  • Contents

    Publication Year: 1935, Page(s): i
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  • General Information

    Publication Year: 1935, Page(s): ii
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  • Institute sections

    Publication Year: 1935, Page(s): iii
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  • Geographical Location of Members Elected August 7, 1935

    Publication Year: 1935, Page(s):iv - v
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  • Applications for Membership

    Publication Year: 1935, Page(s): v
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  • Officers and Board of Directors

    Publication Year: 1935, Page(s): vi
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  • Tenth Annual Convention Committee

    Publication Year: 1935, Page(s): 976
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  • Institute news and radio notes

    Publication Year: 1935, Page(s):977 - 978
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  • Aircraft Radio Equipment for Use on European Air Lines

    Publication Year: 1935, Page(s):979 - 984
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1696 KB)

    The apparatus to be described has been developed to provide a transmitting and receiving equipment for small and medium commercial and private aircraft which will be extremely simple to operate and as foolproof as possible. Many features are introduced which, although they have been in use for broadcast and other commercial radio apparatus, have not been applied to aircraft radio equipments. For e... View full abstract»

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  • Parasites and Instability in Radio Transmitters

    Publication Year: 1935, Page(s):985 - 1012
    Cited by:  Papers (3)
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    Several types of parasites or spurious oscillations and other forms of radio transmitter instability are described. Methods of locating and eliminating parasitic circuits are discussed.. View full abstract»

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  • Development of Transmitters for Frequencies above 300 Megacycles

    Publication Year: 1935, Page(s):1013 - 1047
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (10584 KB)

    The fundamental functions of the electrons and their work cycle, in the interelectrode space of high vacuum tubes, are discussed. It is shown how the triode feed-back circuit becomes inoperable at very high frequencies due to space-time and reactance characteristics. It is further shown how the space-time conditions can be organized to benefit the maintenance of oscillation instead of becoming a d... View full abstract»

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  • The Grid-Coupled Dynatron

    Publication Year: 1935, Page(s):1048 - 1055
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    This paper deals with an improved oscillatory system wherein the dynamic excursion is associated with the secondary emission region of the vacuum tube characteristic, plate current vs. plate voltage. A more or less conventional dynatron oscillator, using a tetrode, is improved by feeding back some of the output power to the inner grid. The maximum increase in oscillatory power was found to be abou... View full abstract»

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  • Optimum Design of Toroidal Inductances

    Publication Year: 1935, Page(s):1056 - 1068
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (880 KB)

    This paper gives the development of formulas for optimum design of single turn toroidal inductances to be used in ultra-high-frequency tank circuits. Two fundamental types of inductances are analyzed. Equations and curves for condition of maximum Q and parallel resistance R′ are set forth. The determination of radio-frequency resistance, operating conditions, and possible uses are discussed. View full abstract»

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  • Some Possibilities for Low Loss Coils

    Publication Year: 1935, Page(s):1069 - 1075
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (616 KB)

    A toroidal coil wound with a flat conductor so curved that the flat side follows exactly the surface of the toroid has remarkably low losses. The Q (=ωL/R) of such a coil is independent of the number of turns, is proportional to size, and to the square root of frequency. For maximum Q there is a best proportion which is given in the paper for the case of toroids of rectangular and circular cr... View full abstract»

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  • Multifrequency Ionosphere Recording and Its Significance

    Publication Year: 1935, Page(s):1076 - 1101
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (6312 KB)

    Results obtained in hourly measurements of critical frequencies of the layers of the ionosphere are presented for the period of a year between May, 1933, and April, 1934. The critical frequencies were obtained by an automatic recorder which covers the frequency band 2500-4400 kilocycles at a uniform rate of 200 kilocycles per minute. Critical frequencies in this band are for the E and F... View full abstract»

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  • Dissipation in Phase-Compensating Networks

    Publication Year: 1935, Page(s):1102 - 1115
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    The effects of dissipation in the lattice-type, phase-compensating network are considered. There are three effects: (1) the phase shift is slightly different from the ideal calculated value; (2) there is introduced an attenuation; (3) the image impedance varies, especially near the frequencies of resonance and antiresonance of the lattice arms. The third effect is most important as it causes highl... View full abstract»

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  • Book reviews

    Publication Year: 1935, Page(s): 1116
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  • Bookelts, catalogs, and pamphlets received

    Publication Year: 1935, Page(s): 1117
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  • Contributors to this issue

    Publication Year: 1935, Page(s): 1118
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Aims & Scope

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

Full Aims & Scope