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Proceedings of the IRE

Issue 7 • Date July 1944

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Displaying Results 1 - 19 of 19
  • Table of contents

    Publication Year: 1944, Page(s): 1a
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  • Radio - Past and Present

    Publication Year: 1944, Page(s): 379
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  • Stuart Ballantine 1897-1944

    Publication Year: 1944, Page(s): 380
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  • The Use of Field-Intensity Measurements for Commercial-Coverage Evaluation

    Publication Year: 1944, Page(s):381 - 393
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    This paper traces progress in developing methods of defining the commercial-coverage area of broadcast stations by means of field-intensity measurements made by the staff of a service known as Radio Coverage Reports. The initial undertaking of the service was at field survey covering the northeastern states to determine more suitable standards for contour surveys than the accepted 10.0, 2.0, and 0... View full abstract»

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  • Equipment and Method for Measurement of Power Factor of Mica

    Publication Year: 1944, Page(s):393 - 396
    Cited by:  Papers (1)
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    An investigation of domestic sources of mica has been under way for a number of years. The best single electrical property indicative of the suitability of the mica for use in radio condensers is its power factor. Equipment for measurement of power factor, commercially available previous to the present shortage of radio instruments, is described with test procedure. View full abstract»

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  • Copper-Covered Steel Wire at Radio Frequencies

    Publication Year: 1944, Page(s):397 - 403
    Cited by:  Papers (2)
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    At radio frequencies the current in copper-covered steel is confined to the copper portion alone; thus such conductors are electrically equivalent to the corresponding copper tubes. The resistance and internal inductance are as low as for solid-copper wire of the same outer diameter. Without sacrifice of conductance, as much as three fourths of the copper that would be required for a solid-copper ... View full abstract»

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  • Corrective Networks for Feedback Circuits

    Publication Year: 1944, Page(s):403 - 408
    Cited by:  Papers (1)
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    Design information is given or simplified corrective networks for application with negative-feedback devices. The corrective networks are applied to control the cutoff attenuation characteristic of the feedback transmission loop to prevent oscillation. To provide a design factor of safety against oscillation, the cutoff transmission characteristic should not attenuate at a rate of more than 10 dec... View full abstract»

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  • Frequency Modulation of Resistance-Capacitance 0scillators

    Publication Year: 1944, Page(s):409 - 414
    Cited by:  Papers (4)
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    A method is described for direct-frequency modulation of a resistance-capacitance oscillator which is simpler and more stable than the beat oscillators formerly used. Spurious amplitude modulation is reduced to a negligible value without the use of limiters and without introducing appreciable harmonics in the output wave. Balanced control tubes prevent transients or signal frequencies from appeari... View full abstract»

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  • Current Stabilizers

    Publication Year: 1944, Page(s):415 - 418
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    The degree of regulation to be expected from several types of current stabilizers is considered. Regulation equations are derived and a graphical-design method is presented. The regulation produced by a single pentode is much better than that of a single triode. Two cascode-connected pentodes give a better regulation but the tube drop is greater and the circuit is more complex. The regulation may ... View full abstract»

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  • Noise Figures of Radio Receivers

    Publication Year: 1944, Page(s):419 - 422
    Cited by:  Papers (353)  |  Patents (9)
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    A rigorous definition of the noise figure of radio receivers is given in this paper. The definition is not limited to high-gain receivers, but can be applied to four-terminal networks in general. An analysis is made of the relationship between the noise figure of the receiver as a whole and the noise figures of its components. Mismatch relations between the components of the receiver and methods o... View full abstract»

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  • Grounded-Grid Radio-Frequency Voltage Amplifiers

    Publication Year: 1944, Page(s):423 - 429
    Cited by:  Papers (5)
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    Triode radio-frequency amplifiers have come into extensive use for medium-high-frequency applications. The use of triodes results from the reduced noise-equivalent resistance of a triode amplifier as compared to a multigrid-type amplifier tube. It is not possible with a triode to use conventional circuits with the input into the grid circuit and the output from the plate circuit because this conne... View full abstract»

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  • Joint Army-Navy Tube Standardization Program

    Publication Year: 1944, Page(s):430 - 434
    Cited by:  Papers (1)
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    The steps taken by the Bureau of Ships and the Signal Corps to effect standardization of radio tubes are recounted briefly. The procedures for handling tube problems, including the JAN-1 Tube Subcommittee, its duties and reasons therefor, are described. Tube specifications, preferred lists, special selection, and type approvals are among the subjects discussed. View full abstract»

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  • The Institute of Radio Engineers Incorporated

    Publication Year: 1944, Page(s): 435
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  • Institute news and radio notes

    Publication Year: 1944, Page(s):436 - 438
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  • Books

    Publication Year: 1944, Page(s):438 - 440
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  • Contributors

    Publication Year: 1944, Page(s):440 - 442
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  • Section meetings

    Publication Year: 1944, Page(s):34a - 36a
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  • Membership

    Publication Year: 1944, Page(s):36a - 58a
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  • Positions open

    Publication Year: 1944, Page(s):50a - 54a
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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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