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IRE Transactions on Microwave Theory and Techniques

Issue 2 • Date March 1960

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Displaying Results 1 - 25 of 36
  • [Front cover - Mar. 1960 [T-MTT]]

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

    Publication Year: 1960, Page(s): 129
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    Freely Available from IEEE
  • Biography - Harold M. Barlow

    Publication Year: 1960, Page(s): 130
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (206 KB)

    Harold M. Barlow was born on November 15, 1899, in London, England. After graduating in engineering at University College, London, in 1922, he received the Ph.D. degree in physics in 1924, from the same school. His first academic appointment was as a lecturer in the design of electrical machinery at University College. Since World War II, he has specialized more particularly in high-frequency work... View full abstract»

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  • Editorial (Mar. 1960 [T-MTT])

    Publication Year: 1960, Page(s): 131
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (132 KB)

    Electrical engineering as a technology necessarily embodies applications of physics, and in the microwave branch, a particularly close link exists between the two subjects of study. The phenomenal progress in microwave work has come about as a result of physicist and engineer working side by side, each making his own kind of contribution, much to the benefit of both. Cross fertilization of ideas i... View full abstract»

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  • Broad-Band Coaxial Choked Coupling Design

    Publication Year: 1960, Page(s):132 - 135
    Cited by:  Papers (4)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (377 KB)

    Equations and curves are presented to predict the frequency bandwidth of coaxial choke couplings in terms of the choke parameters. Choke couplings discussed are those applicable to rotary joints and dc isolation units. View full abstract»

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  • A Study of Multielement Transmission Lines

    Publication Year: 1960, Page(s):136 - 142
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (522 KB)

    Although many papers have been published on the subject of multielement transmission lines, the application to practical problems seems rather inconvenient. The author proposes a solution to the general equations which relate the voltage difference between the lines and the mesh current. Under particular conditions, it is shown that only a single type of propagating mode exists. In this case, the ... View full abstract»

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  • Measurement of Relative Phase Shift at Microwave Frequencies

    Publication Year: 1960, Page(s):143 - 147
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (507 KB)

    A method is described for measuring the relative phase shift of microwave devices, such as traveling-wave tubes, which utilizes the serrodyne technique to transfer the measurements into the audio-frequency range. The method is used to measure the phase shift incidental to the variation of the dc potentials applied to the several electrodes of a 2- to 4-kmc traveling-wave tube. This method is parti... View full abstract»

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  • Resonant Modes in Waveguide Windows

    Publication Year: 1960, Page(s):147 - 150
    Cited by:  Papers (3)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (396 KB)

    Analysis and experimental verification of a class of resonant fields, called ghost-modes, occurring in waveguide dielectric windows are presented. Numerical solutions for a simple geometry are given through universal curves. Knowledge about ghost-modes has importance to designers of high-power windows. It also leads to a measuring technique for dielectric constants through a frequency measurement. View full abstract»

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  • Temperature Compensation of Coaxial Cavities

    Publication Year: 1960, Page(s):151 - 155
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (554 KB)

    This paper describes a technique for temperature compensation of coaxial cavities by controlling the capacitance between the end of the center conductor and an end plate across the outer conductor. A formula is derived for this capacitance which is verified experimentally. Supplemental design data are also obtained experimentally. View full abstract»

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  • A Graphical Method for Measuring Dielectric Constants at Microwave Frequencies

    Publication Year: 1960, Page(s):155 - 159
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (481 KB)

    This paper describes a graphical method for measuring the real and imaginary parts of the dielectric constant epsilon/epsilon0 = epsilon' - j epsilon" of materials at microwave frequencies. The method is based on the network approach to dielectric measurements proposed by Oliner and Altschuler in which the dielectric sample fills a section of transmission line or waveguide. In contrast ... View full abstract»

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  • Wide-Band Strip-Line Magic-T

    Publication Year: 1960, Page(s):160 - 168
    Cited by:  Papers (17)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (815 KB)

    This paper presents theoretical performance calculations of a novel form of wide-band strip-line Magic-T that uses two dual strip-line band-pass filters. When all four ports are terminated in the same impedance, the VSWR at each port is less than 1.47 over a 2:1 frequency band, while the isolation between opposite ports is greater than 20 db over this frequency band. View full abstract»

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  • A General Theorem on an Optimum Stepped Impedance Transformer

    Publication Year: 1960, Page(s):169 - 170
    Cited by:  Papers (11)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (231 KB)

    With the assistance of a mathematical theorem demonstrated by Eaton in a companion paper, it is shown rigorously, in the limit of small impedance transformation, that the familiar binomial impedance transformer, consisting of equal quarter-wave steps, is the shortest, monotonic, maximally-flat, stepped, transmission-line transformer having steps commensurate in length with the midband guide-wavele... View full abstract»

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  • Minimal Positive Polynomials

    Publication Year: 1960, Page(s): 171
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (65 KB)

    A proof is given of a purely mathematical theorem on the polynomial of lowest degree with positive coefficients having a prescribed root of unity as a multiple root. H. J. Riblet has conjectured the theorem below. In the preceding paper, he applies his theorem to optimum impedance transformer design. View full abstract»

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  • Complementarity in the Study of Transmission Lines

    Publication Year: 1960, Page(s):172 - 181
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1112 KB)

    The principle of complementarity is applied to the slot transmission line. The properties of a dual circuit are investigated. The pairs of several possible duals for a given configuration are correlated and new quantities are defined for use with different types of circuits. A complete parallelism between the two-wire line and the two-slot line is established for the ideal cases and is extended by... View full abstract»

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  • High Resolution Millimeter Wave Fabry-Perot Interferometer

    Publication Year: 1960, Page(s):182 - 189
    Cited by:  Papers (41)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1244 KB)

    The design and operation of a microwave Fabry-Perot interferometer at wavelengths around 6 mm is described. This uses reflectors which are simple, easy to make, and which are capable of scaling for operation at short wavelengths in the ultramicrowave region. With power reflection coefficients around 0.999, very sharp fringes and Q values around 100,000 were obtained on the interferometer. Effects ... View full abstract»

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  • Boundary Conditions and Ohmic Losses in Conducting Wedges

    Publication Year: 1960, Page(s):189 - 198
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (989 KB)

    The present work is concerned with the boundary conditions required to calculate the ohmic losses occurring in metallic wedges under the influence of electromagnetic waves which are sinusoidal in time. The validity of the surface impedance condition used in calculating waveguide wall losses is examined carefully, and a "modified" surface impedance condition, which can be applied to wedge problems ... View full abstract»

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  • On the Theory of the Ferrite Resonance Isolator

    Publication Year: 1960, Page(s):199 - 206
    Cited by:  Papers (12)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (789 KB)

    The attenuation constants for both directions of propagation in a rectangular waveguide loaded with a small slab of ferrite are calculated by means of perturbation theory. The maximum attainable ratio of reverse to forward attenuation is found to be inversely proportional to the square of the bandwidth, with a constant of proportionality that is dependent on the shape of the ferrite slab and the p... View full abstract»

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  • Analysis of Microwave Measurement Techniques by Means of Signal Flow Graphs

    Publication Year: 1960, Page(s):206 - 212
    Cited by:  Papers (42)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (626 KB)

    Microwave measurement techniques can be analyzed more simply by using signal flow graphs instead of the customary scattering matrices to describe the microwave networks used in the measuring system. This is because the flow graphs of individual networks are simply joined together when the networks are cascaded and the solution for the system can be written down by inspection of the over-all flow g... View full abstract»

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  • Stepped Transformers for Partially Filled Transmission Lines

    Publication Year: 1960, Page(s):212 - 217
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (463 KB)

    In recent years, partially-filled transmission lines have been used to improve the characteristics of various ferrite and garnet devices. This paper presents a generalized outline for determining the approximate effective guide wavelength and characteristic impedance of two types of (dielectric-loaded) partially-filled transmission line. The results are used to determine the geometries required fo... View full abstract»

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  • Parametric Diodes in a Maser Phase-Locked Frequency Divider

    Publication Year: 1960, Page(s):218 - 221
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (407 KB)

    The use of an ammonia-beam maser in a portable frequency standard requires a frequency divider which can be transistorized. A divider which uses no microwave tubes and hence one that can be transistorized is described. An ammonia-maser-controlled signal generator used to tuneup the divider is also described. It is found that the use of a parametric diode frequency multiplier substantially improves... View full abstract»

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  • Parametric Devices and Masers: An Annotated Bibliography

    Publication Year: 1960, Page(s):222 - 241
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2758 KB)

    This bibliography is restricted to books and periodical articles published prior to October, 1959. No attempt has been made to include the voluminous material to be found in technical reports, patents or similar sources. View full abstract»

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  • Tables for Cascaded Homogeneous Quarter-Wave Transformers (Correction)

    Publication Year: 1960, Page(s):243 - 244
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (157 KB)

    Leo Young, the author of "Tables for Cascaded Homogeneous Quarter- Wave Transformers," which appeared on pages 233-237 in the April, 1959 issue of these Transactions, has requested that the following revisions be made in his paper. View full abstract»

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  • Analysis of Split Coaxial Line Type Balun (Correspondence)

    Publication Year: 1960, Page(s):245 - 246
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (157 KB)

    Since the split coaxial type balun was developed, it has been widely utilized as a microwave radiator with dipole, and a duplexer of television transmitting unit for its superior working capacity. There are several papers on the analytical theory of this balancing unit. But, strictly speaking, there are still some points remaining to be rescrutinized, such as the radiator receiving the effect of t... View full abstract»

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  • Nonreciprocal Attenuation of Ferrite in Single-Ridge Waveguide (Correspondence)

    Publication Year: 1960, Page(s):247 - 248
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (236 KB)

    The nonreciprocal transmission characteristics of rectangular and cylindrical waveguides containing ferrites have been extensively studied and utilized in the construction of microwave phase shifters, gyrators, circulators, and isolators. This note concerns the measurement of the nonreciprocal attenuation produced by ferrite in single-ridge waveguide transmitting dominant mode. In particular, thre... View full abstract»

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  • A New Automatic Frequency Regulation System (Correspondence)

    Publication Year: 1960, Page(s): 249
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (155 KB)

    A considerable number of frequency regulation systems for voltage tunable sources such as klystrons are presently available. The most prominent of these is the pound Regulator which provides an excellent stable source. Perhaps the only disadvantages of the Pound system are the initial cost and the rather critical adjustments necessary when starting up. 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