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IRE Transactions on Microwave Theory and Techniques

Issue 1 • Date January 1960

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  • [Front cover - Jan. 1960 [T-MTT]]

    Publication Year: 1960, Page(s):f1 - f2
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  • Table of contents (Jan. 1960 [T-MTT])

    Publication Year: 1960, Page(s): 1
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  • Message from the Editor

    Publication Year: 1960, Page(s): 2
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  • Microwave Prize (Jan. 1960 [T-MTT])

    Publication Year: 1960, Page(s): 3
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (246 KB)

    The Professional Group on Microwave Theory and Techniques has established the Microwave Prize to recognize annually a significant paper which appeared in the IRE Transactions on Microwave Theory and Techniques. In selecting the paper, consideration is given primarily to the subject of the contribution and secondarily to its presentation. All members and affiliates of PGMTT are eligible. The award ... View full abstract»

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  • Theoretical Limitations to Ferromagnetic Parametric Amplifier Performance

    Publication Year: 1960, Page(s):4 - 9
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (742 KB)

    It has been commonly expected that improved operation of the ferrite parametric amplfier could be obtained by use of materials of narrower resonance linewidth, Delta H. This parameter is critical in determining the pumping power (Pp) required for operation of the device. Also of importance, however, is the limitation of device properties determined by the dependence on Delta H of the in... View full abstract»

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  • An Extension of the Mode Theory to Periodically Distributed Parametric Amplifiers with Losses

    Publication Year: 1960, Page(s):10 - 18
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (581 KB)

    For the extension of the mode theory of the Iossless periodically distributed parametric amplifier to the Iossy case, a "conjugate circuit" is introduced in this paper. The conjugate circuit is an imaginary circuit which is obtained in the pass band by replacing each resistance in the original circuit with the negative resistance of the same maguitude. The orthogonality properties between the mode... View full abstract»

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  • Action of a Progressive Disturbance on a Guided Electromagnetic Wave

    Publication Year: 1960, Page(s):18 - 29
    Cited by:  Papers (17)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1040 KB)

    A problem often encountered in wave physics concerns the interaction of various types of waves, and the energy transfer from one wave to another. In the particular case of waves of the same nature, "modes" can be distinguished in such a way that a wave can be represented as a sum of these modes. Their essential character is that the energy associated with each does not vary with time. It is also s... View full abstract»

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  • Periodic and Guiding Structures at Microwave Frequencies

    Publication Year: 1960, Page(s):30 - 61
    Cited by:  Papers (89)  |  Patents (11)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3668 KB)

    The paper reviews the properties of periodic and guiding structures which now play an important part in the operation of components, antennas, electron tubes and low-noise amplifiers. An account is first given of dispersive propagation in periodic-loaded lines, showing how the frequency characteristic breaks into pass and stop bands. The formation of forward- and backward-space harmonics and the e... View full abstract»

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  • Design of Mode Transducers

    Publication Year: 1960, Page(s):61 - 65
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (556 KB)

    The propagation of the electromagnetic wave in a gradual transducer is discussed. It is shown that the incident mode and the geometry of the transducer determine the outgoing mode. Inverting this theorem, a method is suggested for the design of the transducer's surface for cases in which the desired modes in the uniform waveguides are given. The application of the method is illustrated in three ex... View full abstract»

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  • UHF Resonator with Linear Tuning

    Publication Year: 1960, Page(s):66 - 72
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (850 KB)

    A novel method of tuning a transmission-line type resonator is described. The first-order theory of such a resonator is derived and presented in the form of design curves which indicate an extremely good tuning linearity. Experiments with a resonator designed on this principle agree with theory. View full abstract»

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  • Equivalent Circuits for Small Symmetrical Longitudinal Apertures and Obstacles

    Publication Year: 1960, Page(s):72 - 80
    Cited by:  Papers (16)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (964 KB)

    Formulas based on small aperture and small obstacle theory are presented for the determination of equivalent circuits for symmetrical longitudinal apertures and obstacles. These formulas are then applied to several examples of practical interest, including aperture discontinuities in trough waveguide and an obstacle array of interest to anisotropic radomes. View full abstract»

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  • On the TEn0 Modes of a Ferrite Slab Loaded Rectangular Waveguide and the Associated Thermodynamic Paradox

    Publication Year: 1960, Page(s):81 - 95
    Cited by:  Papers (10)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1749 KB)

    It has been known for some time that the secular equation for the TEn0 modes of a perfectly conducting rectangular waveguide loaded with a transversely magnetized dissipationless full height ferrite slab located against one of the narrow walls of the waveguide admits the possibility of the existence of only a single propagating mode (transporting energy in one direction only). In this p... View full abstract»

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  • L-Band Ferromagnetic Resonance Experiments at High Peak Power Levels

    Publication Year: 1960, Page(s):96 - 100
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (630 KB)

    Ferromagnetic resonance absorption at high peak power levels has been observed at 1300 mc in yttrium-gadolinium garnets and in a nickel ferrite-aluminate. In agreement with theoretical predictions, the critical field characterizing the onset of nonlinear effects, in a series of yttrium-gadolinium garnet disks of a given shape, was found to be very sensitively dependent on the gadolinium content. S... View full abstract»

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  • High Power Ferromagnetic Resonance at X-Band in Polycrystalline Garnets and Ferrites

    Publication Year: 1960, Page(s):100 - 103
    Cited by:  Papers (20)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (487 KB)

    Resonance experiments have been performed at X-band on spherical samples of polycrystalline yttrium garnet, yttrium-gadolinium garnet, yttrium-holmium garnet and nickel-cobalt ferrite. The RF field strength extended up to 60 Oersted. In the case of yttrium garnet the samples differed considerably in density and hence in Iinewidth. At fairly low power levels the susceptibility at resonance varies l... View full abstract»

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  • Microwave Diode Cartridge Impedance

    Publication Year: 1960, Page(s):104 - 107
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (439 KB)

    In any application of a semiconductor microwave diode, the impedance of the diode cartridge plays a very important role. Two commonly made assumptions, which are quite erroneous, are that 1) the impedance of the diode cartridge consists simply of a shunt capacitance and whisker inductance, and 2) the metal-to-semiconductor junction at microwave frequencies behaves approximately as it does at 10 mc... View full abstract»

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  • Theory of the Germanium Diode Microwave Switch

    Publication Year: 1960, Page(s):108 - 111
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (404 KB)

    The application of a generally neglected theory of microwave detection to the poorly understood problem of metal-to-semiconductor junction behavior at microwave frequencies is discussed. Experimental results are disclosed which support the theory and appear to be the first experimental verification of it. It is shown how the theory predicts that germanium microwave diodes should exercise direct sw... View full abstract»

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  • Improvement in the Square Law Operation of 1N23B Crystals from 2 to 11 kmc

    Publication Year: 1960, Page(s):111 - 115
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (461 KB)

    Crystal rectifiers have been used for many years as video detectors in microwave measurements. In most of the applications the detection characteristic at low level is assumed to be square law. It is well known that, in general, this assumption is not justified, particularly if reasonable accuracy is desired. The conditions required to increase the dynamic range over which square law response may ... View full abstract»

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  • An N-Way Hybrid Power Divider

    Publication Year: 1960, Page(s):116 - 118
    Cited by:  Papers (409)  |  Patents (45)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (459 KB)

    A circularly symmetric power divider is described which splits a signal into n equiphase equiamplitude parts where n can be odd or even. The power divider provides isolation between output terminals and approximately matched terminal impedances over about a 20 per cent band. A theory of operation is given which yields the necessary design parameters, and an experimental model is described which ha... View full abstract»

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  • Higher Order Modes in Coupled Helices (Correspondence)

    Publication Year: 1960, Page(s):119 - 120
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (222 KB)

    The problem of electromagnetic wave propagation in a system consisting of the two infinitely long concentric sheath helices free space, shown in Fig. 1, may be approached as a boundary value problem. This has been done before for the case of the lowest mode, but the determinantal equation which gives the propagation constants the higher order modes has not been given before. This note describes th... View full abstract»

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  • The Tetrahedral Junction as a Waveguide Switch (Correspondence)

    Publication Year: 1960, Page(s):120 - 121
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (312 KB)

    A junction of two rectangular waveguides which are mutually cross-polarized becomes a magnetically controlled reactive switch when properly loaded by a ferrite rod magnetized longitudinally. It is a special case of a novel type of structure for which we propose the name tetrahedral junction. As a switch, it possesses: 1) very high insertion loss in the reflecting state, ~60 db; 2) loss in the tran... View full abstract»

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  • Some Measurements of Traveling-Wave Tube Attenuators at 2000 MC (Correspondence)

    Publication Year: 1960, Page(s):121 - 122
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (241 KB)

    Saturation in traveling-wave tube amplifiers, that is, the failure of the output to continue to rise as the input power is increased, can occur in several ways. The limit may arise through heating of the RF circuit, or if the circuit can be so made that this does not occur, the ultimate limit is provided by the amount of power that can be carried on the beam; large signal calculations of the behav... View full abstract»

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  • PGMTT News (Jan. 1960 [T-MTT])

    Publication Year: 1960, Page(s):123 - 124
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    During the spring of 1958, a joint decision was reached by the Boston Chapter of the Institute of Radio Engineers and the Administrative Committee of the Professional Group on Microwave Theory and Techniques to hold the 1959 annual meeting in the Boston area. View full abstract»

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  • Contributors (Jan. 1960 [T-MTT])

    Publication Year: 1960, Page(s):125 - 127
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    Freely Available from IEEE
  • [Back cover]

    Publication Year: 1960, Page(s): b1
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    Freely Available from IEEE

Aims & Scope

This Transactions ceased publication in 1962. The current retitled publication is IEEE Transactions on Microwave Theory and Techniques.

Full Aims & Scope