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Proceedings of the IRE

Issue 4 • Date April 1941

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Displaying Results 1 - 16 of 16
  • [Front cover]

    Publication Year: 1941, Page(s):c1 - c2
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  • Table of contents

    Publication Year: 1941, Page(s): nil1
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  • The Institute of Radio Engineers Incorporated

    Publication Year: 1941, Page(s): nil2
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  • Information about the Society

    Publication Year: 1941, Page(s):nil3 - nil4
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  • A Five-Band Receiver for Automobile Service

    Publication Year: 1941, Page(s):151 - 166
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (7392 KB)

    Many sections of the United States are without adequate daylight radio program service from the standard broadcast stations. These areas in the main are located in the southern part of the country, where the static level is higher and continues for a longer portion of the year, in the Rocky Mountain states where radio stations are scarce, and in New England. Many of these areas contain resorts and... View full abstract»

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  • Recent Developments in the Electron Microscope

    Publication Year: 1941, Page(s):167 - 176
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (5120 KB)

    A description is given of the limitations in resolving power of microscopes indicating the reason for the 50- to 100-times greater resolving power of the electron microscope over the optical instrument. This is followed by a treatment of the basic principles involved in the electron microscope. A detailed description is given of the newly developed RCA electron microscope which, although equal or ... View full abstract»

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  • A Stabilized Frequency Divider

    Publication Year: 1941, Page(s):177 - 181
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1000 KB)

    A method is described for stabilizing the frequency of a relaxation oscillator to any required degree. The stabilized oscillator may be synchronized with a high-order submultiple of a control frequency without any possibility of synchronization at any other submultiple, even if the operating conditions vary widely; the maintenance of synchronization can also be made substantially independent of op... View full abstract»

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  • Contour-Mode Vibrations in Y-Cut Quartz-Crystal Plates

    Publication Year: 1941, Page(s):182 - 185
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (896 KB)

    Theoretical considerations and experimental results both indicate that the principal contour-mode responses in Y-cut quartz plates, excited by simple electrodes on the major faces, are due to coupling between the fundamental shear mode and the second flexural mode and its harmonics. Extensional and first flexural modes can be excited only by the use of special electrode arrangements. View full abstract»

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  • Acoustic Models of Radio Antennas

    Publication Year: 1941, Page(s):186 - 194
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (5600 KB)

    The large number of independent variables in antenna arrays make it advisable to develop means for rapidly surveying the field patterns which may be obtained. The advantages in the use of acoustic models for this purpose are shown. Two analogous acoustic antennas are developed, one for the measurement of fields at a distance and the other for fields close to the antenna. The procedure which can be... View full abstract»

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  • Oscilloscope Patterns of Damped Vibrations of Quartz Plates and Q Measurements with Damped Vibrations

    Publication Year: 1941, Page(s):195 - 199
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1992 KB)

    The first part of the paper describes a method of obtaining a picture of the damped vibrations of a quartz-plate resonator which occur when the excitation is removed by short-circuiting the electrodes between which the quartz plate lies. The build-up of vibrations after the short-circuit is removed is also shown. The quartz plate is short-circuited by means of a rotating commutator, and the result... View full abstract»

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  • Large-Signal High-Frequency Electronics of Thermionic Vacuum Tubes

    Publication Year: 1941, Page(s):200 - 214
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2232 KB)

    Electronics equations which can be used to analyze the type of signals involved in class C amplifiers and oscillators are completely worked out. There are four possible modes of operation in a space-charge-limited diode, when a pulsive voltage is applied to it. The mode of operation for a fixed wave form of the signal depends upon one normalization constant which is in direct proportion to the mag... View full abstract»

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  • High-Frequency Radio Transmission Conditions, April 1941, with Predictions for July 1941

    Publication Year: 1941, Page(s):214 - 215
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    First Page of the Article
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  • Institute news and radio notes

    Publication Year: 1941, Page(s):216 - 230
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  • Correspondence

    Publication Year: 1941, Page(s): 230
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  • Books

    Publication Year: 1941, Page(s):230 - 234
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  • Contributors

    Publication Year: 1941, Page(s):235 - 236
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Aims & Scope

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

Full Aims & Scope