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Proceedings of the IRE

Issue 8 • Aug. 1948

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Displaying Results 1 - 23 of 23
  • Table of contents

    Publication Year: 1948, Page(s): 953
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  • John V. L. Hogan

    Publication Year: 1948, Page(s): 954
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  • Invention

    Publication Year: 1948, Page(s): 955
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  • Distributed Amplification

    Publication Year: 1948, Page(s):956 - 969
    Cited by:  Papers (228)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2600 KB)

    This paper presents a new principle in wide-band amplifier design. It is shown that, by an appropriate distribution of ordinary electron tubes along artificial transmission lines, it is possible to obtain amplification over much greater bandwidths than would be possible with ordinary circuits. The ordinary concept of "maximum bandwidth-gain product" does not apply to this distributed amplifier. Th... View full abstract»

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  • Modern Single-Sideband Equipment of the Netherlands Postals Telephone and Telegraph

    Publication Year: 1948, Page(s):970 - 980
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (5520 KB)

    After we introduction, a short description is given of the equipment developed before 1940, followed by a survey of the principles of the modern equipment. The way in which the automatic tuning in the receiver in accomplished is described in detail. A summary is given of the advantages of the modern equipment with respect to the earlier art. In an appendix, some theoretical considerations are give... View full abstract»

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  • Investigations of High-Frequency Echoes

    Publication Year: 1948, Page(s):981 - 992
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (6064 KB)

    A method of measurements of high accuracy has been developed for investigations of telegraph signals from high-frequency stations. Very exact time-interval measurements were obtained at echo signals on distant high-frequency transmitters within the frequency range between 10 and 20 Mc, presuming definite ionospheric conditions which are limited to a few hours daily. The time interval of a signal c... View full abstract»

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  • Effect of Passive Modes in Traveling-Wave Tubes

    Publication Year: 1948, Page(s):993 - 997
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1040 KB)

    As the beam current in a traveling-wave tube is increased, the local fields due to the bunched beam become appreciable compared with the fields propagating along the circuit. The effect is to reduce gain, to increase the electron speed for optimum gain, to introduce a lower limit to the range of electron speeds for which gain is obtained, and to change the initial loss. View full abstract»

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  • Antennas for Circular Polarization

    Publication Year: 1948, Page(s):997 - 1001
    Cited by:  Papers (10)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (928 KB)

    A formula is derived to give the variation in received voltage when an elliptically polarized antenna is rotated in a plane ransverse to the direction of propagation of the incident elliptically tolarized wave. It is shown that a circularly polarized antenna will pot receive any of its transmitted energy which is reflected from a nighly conducting smooth surface. Conditions that must be satisfied ... View full abstract»

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  • Contributors to the Proceedings of the I.R.E.

    Publication Year: 1948, Page(s):1002 - 1003
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  • Correspondence

    Publication Year: 1948, Page(s): 1003
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  • Institute news and radio notes

    Publication Year: 1948, Page(s):1004 - 1009
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  • Books

    Publication Year: 1948, Page(s):1009 - 1010
    Cited by:  Papers (1)
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  • IRE People

    Publication Year: 1948, Page(s):1011 - 1013
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  • N. W. Mather, Past Chairman, Princeton Section and A. V. Bedford, Current Chairman, Princeton Section

    Publication Year: 1948, Page(s): 1014
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  • Surveillance Radar Deficiencies and How They Can Be Overcome

    Publication Year: 1948, Page(s):1015 - 1017
    Cited by:  Papers (1)
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  • A New Approach to Tunable Resonant Circuits for the 300- to 3000-Mc Frequency Range

    Publication Year: 1948, Page(s):1017 - 1022
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4168 KB)

    The development of the use of distributed constants and of discontinuities, in lines of fixed length, for the design of resonant circuits at frequencies between 300 and 3000 Mc is discussed. Various types of these circuits and their characteristics are shown with an indication of their advantages and disadvantages when used as variable frequency elements. View full abstract»

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  • Spectral Power Distribution of Cathode-Ray Phosphors

    Publication Year: 1948, Page(s):1023 - 1029
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3128 KB)

    This paper embodies some of the results of a study undertaken because of the lack of substantial agreement among colorimetric determinations made from cathode-ray-tube screens by television manufacturers in the United States. The ICI (International Commission on Illumination) system of color specification is described, and is applied to the visible light produced by cathode-ray screens. A survey w... View full abstract»

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  • Correction

    Publication Year: 1948, Page(s): 1029
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  • Megacycle Stepping Counter

    Publication Year: 1948, Page(s):1030 - 1034
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1088 KB)

    This paper describes the development and construction of a modified ring- or stepping-type counter capable of operating at a megacycle rate. Two special features are described: the input-pulse commutator, and the method of interstage coupling. Application to electronic digital computing work is discussed briefly. View full abstract»

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  • Cathode-Coupled Negative-Resistance Circuit

    Publication Year: 1948, Page(s):1034 - 1039
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1104 KB)

    The cathode-coupled negative-resistance circuit is considered at medium, low, and high frequencies. The effects of supply-voltage variations are also treated. It is found that the more common types of dual triodes are capable of developing a negative resistance of the order of 1000 ohms. It is also found that these tubes are useful as oscillators well into the vhf range with this circuit. The assu... View full abstract»

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  • Microphonism in a Subminiature Triode

    Publication Year: 1948, Page(s):1039 - 1048
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4320 KB)

    The simple theory of the symmetrical plane triode has been applied to the calculation of the change in plate current as a function of motion of the grid and cathode. For perfect symmetry, the first-order approximation gives zero change in current. The second-order expressions are evaluated and show that an output signal may be expected having twice the vibration frequency. A description is given o... View full abstract»

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  • Contributors to Waves and Electrons Section

    Publication Year: 1948, Page(s):1049 - 1050
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  • Abstracts and references

    Publication Year: 1948, Page(s):1051 - 1064
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Aims & Scope

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

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