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Proceedings of the IRE

Issue 3 • Date March 1955

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Displaying Results 1 - 21 of 21
  • Contents

    Publication Year: 1955, Page(s): 257
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  • John N. Dyer, Director, 1955-1956

    Publication Year: 1955, Page(s): 258
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  • The Greatest Show on Earth

    Publication Year: 1955, Page(s): 259
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  • A Large Signal Theory or Traveling-Wave Amplifiers

    Publication Year: 1955, Page(s):260 - 277
    Cited by:  Papers (81)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (9613 KB)

    The large-signal or nonlinear behavior of the traveling-wave amplifier is calculated in this paper by numerically integrating a set of equations of motion, which is essentially that of Nordsieck, but includes the space-charge repulsion between the electrons. The calculations were made assuming a loss-free circuit and a small coupling between the circuit and the beam. A method of computing the spac... View full abstract»

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  • Saturation Current in Alloy Junctions

    Publication Year: 1955, Page(s):277 - 280
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1188 KB)

    According to theory, the current which flows across a P-n junction when it is biased in the reverse direction should be nearly independent of the applied voltage. This current is called the saturation current, I8. In actual practice, the current often increases with voltage (due to leakage paths across the junction at the surface) and eventualy large currents flow as the breakdown voltage of the j... View full abstract»

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  • Theory of Radio Transmission by Tropospheric Scattering Using Very Narrow Beams

    Publication Year: 1955, Page(s):281 - 290
    Cited by:  Papers (49)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2329 KB)

    Calculations have been made for communication over a 300-km path between antennas, each consisting of a paraboloid of diameter 100 ¿. It is assumed that, under normal atmospheric conditions, transmission over this distance is due to scattering by atmospheric irregularities and that the scattering phenomena are described by the formula used by Booker and Gordon. Over this path, the effect of sprea... View full abstract»

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  • Logical and Control Functions Performed with Magnetic Cores

    Publication Year: 1955, Page(s):291 - 298
    Cited by:  Papers (8)  |  Patents (2)
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  • Pin-Hole Camera Investigation of Electron Beams

    Publication Year: 1955, Page(s):299 - 306
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4489 KB)

    Electron beams produced b y low- and moderate-perveance Pierce-type electron guns have been investigated by means of a pin-hole aperture. Data are presented showing the current density distribution and transverse velocity distribution of electrons at various points in the beam. The thermal velocity distribution is Maxwellian, with a width corresponding to the cathode temperature modified by the ge... View full abstract»

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  • Thermal Velocity Effects in Electron Guns

    Publication Year: 1955, Page(s):307 - 315
    Cited by:  Papers (47)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1964 KB)

    A method is presented for determining the effect of the transverse velocities of electron emission on the flow in accelerated electron streams. Complete expressions are derived giving the degree and character of the beam spread in a Pierce-type electron gun resulting from the transverse velocity distribution, and an expression is derived for the image magnification in the pin-hole camera beam anal... View full abstract»

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  • Electrical Characteristics of Power Transistors

    Publication Year: 1955, Page(s):315 - 322
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1478 KB)

    The following electrical characteristics of a group of power transistors whose collector dissipation is in the region of 20 watts have been measured: the small-signal current amplification as a function of emitter current, the cutoff frequency as a function of emitter current and collector voltage, and the decrease of current amplification with increasing frequency. All these measurements were mad... View full abstract»

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  • Further Bounds Existing on the Transient Responses of Various Types of Networks

    Publication Year: 1955, Page(s):322 - 326
    Cited by:  Papers (13)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1010 KB)

    Five new theorems stating bounds on the transient response of certain types of networks are derived and illustrated. The first one states that any system function, whose real part on the positive real-frequency axis decreases monotonically as frequency increases, cannot have an overshoot in its step response greater than eighteen per cent, nor can its rise time, from the time that the input step i... View full abstract»

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  • Magnetic Focusing of Electron Beams

    Publication Year: 1955, Page(s):327 - 331
    Cited by:  Papers (24)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1181 KB)

    Electron trajectories for a pencil beam are studied for both uniform and periodic magnetic fields. General equations are given which apply to shielded and unshielded cathodes and all intermediate cases. The balance conditions which yield minimum ripple solutions are presented as a function of magnetic field. It is shown that these conditions require that considerable magnetic flux thread the catho... View full abstract»

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  • The Mitron-An Interdigital Voltage-Tunable Magnetron

    Publication Year: 1955, Page(s):332 - 338
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2164 KB)

    This paper describes a voltage-tunable magnetron which can be electronically tuned in the frequency range 1,500 to 3,500 mc. This tube delivers a useful power output of approximately 200 mw and, when used as a local oscillator in a microwave receiver, gives a noise figure 3 db greater than is obtained when a reflex klystron is used with the same receiver. It is shown that temperature-limited opera... View full abstract»

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  • Resonant Behavior of Electron Beams in Periodically Focused Tubes for Transverse Signal Fields

    Publication Year: 1955, Page(s):339 - 341
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (732 KB)

    A ribbon beam which is focused by a series of bidimensional electrostatic lenses exhibits a well-defined transverse resonance within a certain range of focusing conditions. The frequency of the resonance is derived for the case of a simple space-periodic focusing field; it is also shown that the focusing field determines the current density in the beam (and thus, in practice, the maximum usable be... View full abstract»

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  • Correspondence

    Publication Year: 1955, Page(s):341 - 344
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  • Contributors

    Publication Year: 1955, Page(s):345 - 346
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  • IRE news and radio notes

    Publication Year: 1955, Page(s):347 - 381
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  • Abstracts of Transactions of the I.R.E.

    Publication Year: 1955, Page(s):382 - 383
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    The issues of IRE Transactions listed herein have recently been published, and are now available from the Institute of Radio Engineers, Inc. The contents of each issue and, where available, abstracts of technical papers are given. View full abstract»

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  • Professional Groups

    Publication Year: 1955, Page(s): 383
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  • Sections

    Publication Year: 1955, Page(s):384 - 385
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  • Abstracts and references

    Publication Year: 1955, Page(s):386 - 400
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Aims & Scope

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

Full Aims & Scope