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Proceedings of the Institute of Radio Engineers

Issue 7 • July 1932

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Displaying Results 1 - 14 of 14
  • Lonis R. Krumm, Treasurer of the Institute, 1917

    Publication Year: 1932, Page(s): 1076
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  • Institute notes

    Publication Year: 1932, Page(s):1077 - 1084
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  • Application of the Class B Audio Amplifier to A-C Operated Receivers

    Publication Year: 1932, Page(s):1085 - 1100
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1736 KB)

    The demand for increased power output from a radio receiver has reached a point where it is no longer economical to increase the output of the present class A output systems. The class B audio output system is a somewhat radical departure from the present system, and for a given cost permits an output of two to three times the power output of the present class A amplifier. This paper discusses the... View full abstract»

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  • Design of Resistors for Precise High-Frequency Measurements

    Publication Year: 1932, Page(s):1101 - 1113
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1864 KB)

    New shielded and unshielded resistance boxes and fixed standards of resistance for use in precise a-c measurements, are described in detail and numerical values are given for the residual inductance or capacitance of the individual coils and of the boxes at various settings, and for the resistance error at 1 and 50 kc. A new coil construction and two new types of decades are used. In one of the re... View full abstract»

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  • Discussion on "Design of Resistors for Precise High-Frequency Measurements" (L. Behr and R. E. Tarpley)

    Publication Year: 1932, Page(s):1114 - 1116
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  • Two-Way Radiotelephone Circuits

    Publication Year: 1932, Page(s):1117 - 1130
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1288 KB)

    This paper deals with the problems of joining long-distance radiotelephone transmission paths to the ordinary telephone plant. It gives the possibilities and limitations of various methods of two-way operation of such circuits where the radio channels employ either long or short waves. It also describes the special terminal apparatus for switching the transmission paths under control of voice curr... View full abstract»

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  • Kennelly-Heaviside Layer Studies Employing a Rapid Method of Virtual-Height Determination

    Publication Year: 1932, Page(s):1131 - 1148
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2056 KB)

    This paper describes a new method of determining the virtual height of the ionized regions by visual observations of the received pulse pattern on a cathode ray oscillograph tube, both for single frequencies and for two frequencies simultaneously. A résumé of the data obtained during observations of some three hundred hours is given. The frequencies used for these tests were 1604 kc, 239... View full abstract»

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  • Triple-Twin Tubes

    Publication Year: 1932, Page(s):1149 - 1162
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    This paper describes a new tube and circuit which utilizes the positive, as well as the negative, region of the Eg-Ipcharacteristic and has a negligible amount of distortion. A high input impedance is maintained. Minimum distortion and maximum output occurs at the same load impedance. The tube comprises in one envelope two sets of special triodes. The cathode of the input set... View full abstract»

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  • Transmission Lines for Short-Wave Radio Systems

    Publication Year: 1932, Page(s):1163 - 1202
    Cited by:  Papers (32)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (6504 KB)

    The requirements imposed on transmission lines by short-wave radio systems are discussed, and the difference in the requirements for transmitting and receiving purposes is emphasized. Various line types are discussed, particular attention being given to concentric tube lines and balanced two-wire lines. The concentric tube line is particularly valuable in receiving stations where great directional... View full abstract»

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  • A Theoretical Comparison of Coupled Amplifiers with Staggered Circuits

    Publication Year: 1932, Page(s):1203 - 1220
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1360 KB)

    Detuned or staggered single tuned circuits are compared theoretically with the so-called band-pass or coupled circuits. The networks in each case are compared with each other by expressing the ratio of the input to output voltage in terms of the amplifications, A0of a single tuned stage. It is shown that approximately the same results are obtained up to optimum coupling by either method... View full abstract»

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  • Book reviews

    Publication Year: 1932, Page(s): 1221
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  • Bookelts, catalogs, and pamphlets received

    Publication Year: 1932, Page(s): 1222
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  • Radio abstracts and references

    Publication Year: 1932, Page(s):1223 - 1229
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  • Contributors to this issue

    Publication Year: 1932, Page(s):1230 - 1231
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Aims & Scope

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

Full Aims & Scope