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IRE Transactions on Microwave Theory and Techniques

Issue 4 • July 1960

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  • [Front cover - Jul. 1960 [T-MTT]]

    Publication Year: 1960, Page(s):f1 - f2
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    Freely Available from IEEE
  • Table of contents (Jul. 1960 [T-MTT])

    Publication Year: 1960, Page(s): 381
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    Freely Available from IEEE
  • Report of Advances in Microwave Theory and Techniques in Great Britain-1959

    Publication Year: 1960, Page(s):382 - 386
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (619 KB)

    The continued research effort in the microwave field is reflected by the number of papers, which is as great as in any previous year. The single topic attracting the largest number of contributions has been that of waveguides for long-distance communication. This is partly the result of a very successful International Convention organized by the Institution of Electrical Engineers in London during... View full abstract»

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  • Report of Advances in Microwave Theory and Techniques in Western Europe-1959

    Publication Year: 1960, Page(s):387 - 394
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1001 KB)

    During 1959, the main progress in Western Europe was concerning further development of types "O" and "M" carcinotrons and studies about quantum devices. Nevertheless, other subjects have not been neglected. View full abstract»

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  • Report of Advances in Microwave Theory and Techniques in Japan-1959

    Publication Year: 1960, Page(s):395 - 397
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (368 KB)

    This report on advances in theory, experiments, and applications of the microwave field is based on papers appearing in the Journal of the Institute of Electrical Communication Engineers of Japan, which is the most widespread and well-esteemed journal in the communication and electronics field in Japan. Advances in the realms of microwave sources, detectors, transmission lines, measurements, radia... View full abstract»

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  • The Design and Measurement of Two Broad-Band Coaxial Phase Shifters

    Publication Year: 1960, Page(s):398 - 402
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1000 KB)

    Two mechanical (servo-driven) phase shifters were developed in response to systems requirements of low torque, compactness, octave bandwidth, and linear relation between mechanical motion and phase shift. One phase shifter relies upon the axial motion of a dielectric slug through a helix wound from modified miniature rigid coaxial cable. The second design consists of a 3-db coupler with ganged mov... View full abstract»

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  • A Dielectric Resonator Method of Measuring Inductive Capacities in the Millimeter Range

    Publication Year: 1960, Page(s):402 - 410
    Cited by:  Papers (237)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (827 KB)

    A novel technique for the measurement of dielectric and magnetic properties of a homogeneous isotropic medium in the range of approximately 3 to 100 kmc is described. An accuracy of /l.chemc/ 1 per cent is possible in the determination of permittivity or permeability in those cases where the loss tangent is sulliciently small. The measuring structure is a resonator made up of a right circular cynd... View full abstract»

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  • Summary of Measurement Techniques of Para-Metric Amplifier and Mixer Noise Figure

    Publication Year: 1960, Page(s):410 - 415
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (526 KB)

    Expressions are derived for the noise factor of a frequency mixing circuit under two different operating conditions: 1) single-sideband operation with input only in a band of frequencies at omega1; and 2) double-sideband radiometer operation with incoherent inputs in the bands both at frequency omega1 and at omega2=omega3-omega1. In both cases... View full abstract»

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  • Duplexing Systems at Microwave Frequencies

    Publication Year: 1960, Page(s):415 - 431
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2058 KB)

    The paper reviews the various methods of duplexing at microwave frequencies. General principles, including the use of passive and solid-state devices, are first discussed. The characteristics of gaseous-discharge duplexing tubes of both self- and externally-excited types are examined and data for typical examples given. The various arrangements of discharge tube duplexers and methods of measuring ... View full abstract»

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  • Impedances of an Elliptic Waveguide (For the eH1 Mode)

    Publication Year: 1960, Page(s):431 - 435
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (375 KB)

    The power-voltage, power-current and voltage-current impedances for the elliptical waveguide for the fundamental mode (eH1 mode) are obtained by two different methods. The first method consists of using the exact fields inside a perfectly conducting elliptical pipe. Numerical results were obtained by numerical integration of the integrals involving Mathieu functions by the Ga... View full abstract»

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  • Analysis of a Transmission Cavity Wavemeter

    Publication Year: 1960, Page(s):436 - 439
    Cited by:  Papers (10)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (298 KB)

    A section of transmission line partially closed off at each end constitutes a cavity wavemeter. If fixed in length, it may be used as a reference cavity; or if tunable, it maybe used to determine frequency. Such a cavity is here treated systematically as a lossy transmission line, with the two end couplings either lossless or symmetrical. The analysis is by means of the transfer or wave matrix. Va... View full abstract»

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  • Scattering of a Plane Wave on a Ferrite Cylinder at Normal Incidence

    Publication Year: 1960, Page(s):440 - 445
    Cited by:  Papers (37)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (438 KB)

    The scattered field is given as a series of cylinder functions. If the ferrite cylinder is magnetized along its axis the scattering pattern becomes asymmetrical about the direction of incidence. Approximation formulas for the thin cylinder and the far field zone are given. It is shown that in the first approximation the amplitude is an even function and the phase angle of the field is an odd funct... View full abstract»

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  • Phase Adjustment Effects on Cascaded Reflex Klystron Amplifiers

    Publication Year: 1960, Page(s):445 - 449
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (567 KB)

    Reflex klystrons (type 2K25) were used as regenerative amplifiers for the X-band. Two 2K25 reflex klystron amplifiers were cascaded with a coupling circuit which contained a variable phase shifter. The effect of the phase adjustment was investigated in comparison with another coupling scheme which did not contain the phase shifter. The phase adjustment in the coupling circuit gave the amplifier sy... View full abstract»

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  • TE Modes of the Dielectric Loaded Trough Line

    Publication Year: 1960, Page(s):449 - 454
    Cited by:  Papers (6)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (610 KB)

    The properties of TE modes on a dielectric loaded trough waveguide have been investigated. In the case of the dominant mode of this line (TE20), families of design curves giving the field distribution, guide wavelength, power handling capability, wall losses, and dielectric losses as a function of operating wavelength, waveguide dimensions and dielectric constant are presented. For a lo... View full abstract»

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  • Coupling of Modes in Uniform, Composite Waveguides

    Publication Year: 1960, Page(s):454 - 458
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (382 KB)

    The principle of coupling of modes is used to compute the phase constant in a uniform waveguide Iilled with two ditferent dielectric materials. The natural modes of two hypothetical waveguides filled with the different dielectrics are computed. The propagation of the combined system is computed by considering the coupling between the two sets of modes. Comparison is made between the approximate th... View full abstract»

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  • Design of Linear Double Tapers in Rectangular Waveguides (Correction)

    Publication Year: 1960, Page(s): 458
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (57 KB)

    R. C. Johnson, author of "Design of Linear Double Tapers in Rectangular Waveguides," which appeared on pp. 374-378 of the July 1959 issue of these Transactions has brought the following corrections to the attention of the Editor. View full abstract»

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  • The Extended Theory of the Manley-Rowe's Energy Relations in Nonlinear Elements and Nonlinear Lossless Medium (Correspondence)

    Publication Year: 1960, Page(s):459 - 460
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (196 KB)

    Energy relations for a lumped nonlinear reactance excited by two different fundamental frequencies were derived by J. M. Manley and H. E. Rowe. R. H. Pautell developed the energy relations in a nonlinear resistive element. Furthermore, H. A. Haus extended the Manley-Rowe's energy relations to a nonlinear Iossless medium excited by two fundamental frequencies. This paper extends the Manley-Rowe rel... View full abstract»

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  • A Method of Improving Isolation in Multi-Channel Waveguide Systems (Correspondence)

    Publication Year: 1960, Page(s):460 - 461
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (230 KB)

    In microwave measurements, frequent use is made of "two channel" or multiple channel systems, in order to obtain isolation from amplitude fluctuations in the generator output and/or various other benefits. In such systems it is generally required that the signal delivered to one channel be independent of changes in loading, etc., in the second channel, and a common problem is that of achieving or ... View full abstract»

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  • A Microwave Impedance Meter Capable of High Accuracy (Correspondence)

    Publication Year: 1960, Page(s):461 - 463
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (367 KB)

    Recent applications of directional couplers with auxiliary tuners for accurate VSWR and phase shift measurements have made possible a microwave impedance meter capable of high accuracy. It is similar to some bridges in that one obtains an initial detector null and a final null, before and after connecting the unknown. Both the magnitude and phase angle of the reflection coefficient of the unknown ... View full abstract»

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  • A Logarithmic Transmission Line Chart (Correspondence)

    Publication Year: 1960, Page(s): 463
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (125 KB)

    In his article above, Hudson raises the question: "What length of line of what impedance will match a given impedance?" He states, "Conventional charts do not answer this question explicitly." This problem can be solved on the "conventional" Smith Chart explicitly without trial-and-error, by the following method. If A and B are two quite general impedances, the matched condition requires that A be... View full abstract»

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  • On the Noise Temperature of Coupling Networks (Correspondence)

    Publication Year: 1960, Page(s): 463
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (125 KB)

    When a passive coupling network, such as a waveguide, transmission line, matching filter, etc., is used to connect a source to a receiver, it is apparent that it will contribute noise to the output because of its Iossiness. View full abstract»

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  • Velocity Sorting Detection in Backward Wave Autodyne Reception (Correspondence)

    Publication Year: 1960, Page(s):463 - 464
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (329 KB)

    An electronically tunable microwave receiver which uses an oscillating backward wave amplifier driving a crystal detector has been described previously. This receiver has the advantages of large dynamic range and good rejection of unwanted signals, but has the disadvantage that its frequency response can be no better than that of its crystal detector. Since a variation in sensitivity of greater th... View full abstract»

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  • A Broad-Band Crystal Mount 10.5 kmc to 20 kmc (Correspondence)

    Publication Year: 1960, Page(s):464 - 465
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (344 KB)

    Laboratory measurements at microwave frequencies very often require the use of a sensitive detector with broad-band characteristics. A crystal mount has been developed with a nearly uniform response from 10.5 kmc to 20.0 kmc using coaxial crystals type 1N26 or 1NT78A. The best over-all sensitivity is obtained with 1N78A crystals, although the 1N26 crystals are more sensitive from 17 to 20 kmc. View full abstract»

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  • Proposed Parametric Amplifier Utilizing Ferroelectric Substance (Correspondence)

    Publication Year: 1960, Page(s):465 - 466
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (274 KB)

    Ferroelectric substance has been utilized as nonlinear substance in parametric amplifiers. However, all of these have been done at low-frequency regions. A surface-wave parametric amplifier employing-ferro-electric substance in the microwave region has been proposed. View full abstract»

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  • A Broad-Band Ferrite Reflective Switch (Correspondence)

    Publication Year: 1960, Page(s):466 - 467
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (236 KB)

    Several types of reflective ferrite switches have recently been described in the literature. These have typically made use either of the Faraday rotation effect or of a waveguide cutoff induced by a transversely-magnetized ferrite slab. A different and very simple type of switch, which exhibits similar reflective behavior, may also be obtained by the use of a short section of heavily-loaded (or fi... View full abstract»

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Aims & Scope

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

Full Aims & Scope