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IRE Transactions on Microwave Theory and Techniques

Issue 2 • Date March 1961

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  • [Front cover - Mar. 1961 [T-MTT]]

    Publication Year: 1961, Page(s):f1 - f2
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    Freely Available from IEEE
  • Table of contents (Mar. 1961 [T-MTT])

    Publication Year: 1961, Page(s): 109
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    Freely Available from IEEE
  • Dynamic Interaction Fields in a Two-Dimensional Lattice

    Publication Year: 1961, Page(s):110 - 115
    Cited by:  Papers (17)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (478 KB)

    In the theory of artificial dielectrics and aperture coupling in rectangular waveguides, a knowledge of the dynamic interaction fields is required in order to evaluate the polarizing fields. This paper presents suitable methods for evaluating the dynamic interaction fields in a two-dimensional lattice. Both electric and magnetic dipoles are considered. The results are presented in closed form apar... View full abstract»

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  • TEM Impedance and Cross Coupling for Small Circular Center Conductors in a Double Ridged Waveguide

    Publication Year: 1961, Page(s):116 - 123
    Cited by:  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (496 KB)

    The even and odd mode TEM impedances and crosscoupling coefficient were found for two small circular center conductors in a double ridge waveguide structure. Expressions were found by the use of a variational approximation for the case where the centers of the circular conductors lie on the horizontal center line of the guide; the conductors were placed symmetrically about the vertical plane of sy... View full abstract»

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  • Design of a Coaxial Hybrid Junction

    Publication Year: 1961, Page(s):124 - 129
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (737 KB)

    The design of a coaxial hybrid junction is discussed. The hybrid consists of a shunt junction and a series junction. The shunt junction is a broad-band stub compensated tee, and the series junction is basically a balun of the type used to excite a slotted dipole. There is inherent isolation between the shunt and series terminals. The useful bandwidth of the hybrid is at least 10 per cent, while th... View full abstract»

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  • Step-Twist-Junction Waveguide Filters

    Publication Year: 1961, Page(s):130 - 135
    Cited by:  Papers (10)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (661 KB)

    The properties of step-twist-junction discontinuities in rectangular waveguide are considered. Methods are presented whereby these step-twist-junctions may be used in filter design and, in particular, in the design of variable bandwidth constant-resonant frequency filters. View full abstract»

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  • Resonators for Millimeter and Submillimeter Wavelengths

    Publication Year: 1961, Page(s):135 - 144
    Cited by:  Papers (40)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1114 KB)

    Further considerations on the mm-wave Fabry-Perot interferometer are presented. Computed Q values for parallel metal plate resonators indicate that at spacings around 2.5 cm, values ranging from 60,000 at 3 mm, to 300,000 at 0.1 mm wavelengths are possible. The plates must, however, be quite flat. These results are important for many investigations, and in particular for mm and sub-mm wave maser r... View full abstract»

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  • A Recording Microwave Spectrograph

    Publication Year: 1961, Page(s):144 - 152
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2142 KB)

    The principle of operation and the fundamentals of realization of a recording microwave spectrograph designed for use in the study of the absorption and the index of refraction of gases under medium pressures (1 mm Hg to 1 atm) are presented. The apparatus results from a similar spectrograph with synchroscope, in which the responses of the cavity resonators are interpreted by means of a pulse meth... View full abstract»

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  • A Cavity-Type Parametric Circuit as a Phase-Distortionless Limiter

    Publication Year: 1961, Page(s):153 - 157
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (475 KB)

    This paper is a study of the properties of a diode parametric frequency converter (negative-conductance type) when used to perform microwave limiting. Unlike the parametric amplifier, the output power of a converter cannot exceed a certain level, regardless of the amplitude of the input signal. Thus, the ability to limit is a fundamental property of regenerative parametric frequency converters. An... View full abstract»

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  • A Stripline Frequency Translator

    Publication Year: 1961, Page(s):158 - 161
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (496 KB)

    A frequency translator is discussed which operates at C-band frequencies. The modulators in the frequency translator are crystal diodes, and modulation is obtained by periodic variation of the reflection characteristic of the crystal modulators. The conversion loss of the frequency translator is 6.5 db at 8-mw input power. The unwanted sidebands are at least 25 db below the translated signal. View full abstract»

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  • An Approximate Solution to Some Ferrite Filled Waveguide Problems with Longitudinal Magnetization

    Publication Year: 1961, Page(s):162 - 168
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (743 KB)

    An approximate solution for the field structure and propagating modes in parallel plane, circular, and coaxial ferrite filled waveguide is presented. Bundles of plane waves are assumed to propagate in these structures which bounce back and forth along the guide. The solutions are classified into two types depending on the negative or positive equality of the incident and reflected waves. In the ca... View full abstract»

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  • Synthesis of Low-Reflection Waveguide Joint Systems

    Publication Year: 1961, Page(s):169 - 175
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1332 KB)

    Some characteristics of flat-flange type joints are analyzed. Experimental evidence is given proving that it is possible to reproduce, in practice, waveguide joints which have identical complex-reflection coefficients. Such joints can be combined to form large joint systems by means of a synthesis method, which keeps the over-all reflection coefficient to a minimum. Both theory and experimental da... View full abstract»

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  • A Channel-Dropping Filter in the Millimeter Region Using Circular Electric Modes

    Publication Year: 1961, Page(s):176 - 182
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (657 KB)

    A. channel-dropping filter in the millimeter region that transfers TE°01 to TE□10 is described and analyzed. The important features are the use of TE⊙011 mode in the resonant cavities combined with a mode-selective coupling between circular symmetric and rectangular waveguides which make both heat loss and mode conversion low. Design formulas and ... View full abstract»

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  • Coupled-Mode Description of Crossed-Field Interaction

    Publication Year: 1961, Page(s):182 - 186
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (376 KB)

    The coupled-mode theory is developed for two-dimensional M-type flow, and a system of five coupled-mode equations is obtained. A fifth degree secular equation is found for the perturbed propagation constants of the system. Under weak space-charge field conditions, both the forward-wave and backward-wave interactions may be described in terms of only two coupled modes. The two-mode theory is applie... View full abstract»

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  • Broad-Band Cavity-Type Parametric Amplifier Design

    Publication Year: 1961, Page(s):187 - 194
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (676 KB)

    This paper tells how maximum bandwidth can be obtained from a nondegenerate parametric amplifier which utilizes a circulator. Expressions are derived for the gain bandwidth product and maximum possible gain bandwidth product. It is then shown how the Q of the cavities used for the signal and idler circuits may be kept at a minimum without degrading the noise performance of the amplifier. It is sho... View full abstract»

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  • Dependence of the Resonance Line-Width of Microwave Ferromagnetic Materials on Incident RF Power (Correspondence)

    Publication Year: 1961, Page(s):195 - 197
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (370 KB)

    The intrinsic resonance linewidth of ferromagnetic materials is a key parameter in delineating the characteristics of these materials. Most of the published data concerning the resonance linewidth of ferrites and garnets are valid for small-signal conditions. However, Suhl's theory has indicated that the linewidth is dependent upon the RF peak power to which the material is subjected. View full abstract»

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  • Green's Function Techniques for Inhomogeneous Anisotropic Media (Correspondence)

    Publication Year: 1961, Page(s):197 - 198
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (216 KB)

    In many problems involving the guiding and radiation of electromagnetic raves the solution for the field quantities at points in space is given in terms of integrals of the field quantities over their values on a closed surface. These integrals are often derived through the application of vector Green's theorems. The Green's function used in any particular application is usually determined by the ... View full abstract»

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  • N-Way Power Divider (Correspondence)

    Publication Year: 1961, Page(s):198 - 199
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (229 KB)

    An N-way power divider is an (N+1) port network with N equal outputs. View full abstract»

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  • Microwave Absorption Modulation by Electron Mobility Variation in n-Type Germanium (Correspondence)

    Publication Year: 1961, Page(s):199 - 200
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (346 KB)

    Microwave-radiation attenuation in a dissipative medium such as germanium in which the conductivity and microwave frequency conditions sigma<omega epsilon and omega tau<1 are present has been shown by Gibson to be attributed to the absorption constant relation: K = 1635sigma/n db/meter where tau is the carrier relaxation time, omega the microwave angular frequency, and epsilon the permittivi... View full abstract»

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  • Coaxial to Strip Transmission Line Adapter (Correspondence)

    Publication Year: 1961, Page(s):200 - 201
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (314 KB)

    Over the past few years, strip transmission line has shown itself capable of being utilized in a large number of microwave configurations which were previously constructed in coaxial line or waveguide. In many cases the components fabricated in strip transmission line are simpler to design and produce particularly where, as in the sandwich type of line, advantage may be taken of photo-etching tech... View full abstract»

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  • A Note on Loaded Line Synthesis (Correspondence)

    Publication Year: 1961, Page(s):201 - 202
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (252 KB)

    The purpose of this note is to present an alternate derivation of a formula for the synthesis of a loaded line. The problem is to determine the values of the normalized susceptances a and c mounted an exact quarter-wavelength apart along a uniform line. These are arranged in the order a, c, c,. . .c, a to achieve a loaded line with a given phase shift and perfect match. In order to analyze a parti... View full abstract»

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  • X-Band Diode Limiting (Correspondence)

    Publication Year: 1961, Page(s): 202
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (149 KB)

    Broad-band, matched, low power, instantaneous, passive, X--band diode limiting has been demonstrated. The limiter, which uses standard microwave components, is an outgrowth of point contact germanium diode microwave switch research. In fact, the hybrid-tee switch makes a very good narrow-band limiter under the condition of zero bias voltage on the crystals (biasing terminals short circuited). The ... View full abstract»

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  • A Note on the Difference Between Equiangular and Archimedes Spiral Antennas (Correspondence)

    Publication Year: 1961, Page(s):203 - 205
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (334 KB)

    There seems to exist in the literature considerable confusion about the various types of spiral antennas, their characteristics, and their bandwidth capabilities. One evidence of this confusion appeared in a paper by Bower and Wolfe, in which they state that the Archimedes spiral antenna can be specified in terms of angles and hence belongs in the class of "frequency--independent antennas. "Freque... View full abstract»

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  • Contributors

    Publication Year: 1961, Page(s):206 - 208
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    Freely Available from IEEE
  • 1961 PGMTT National Symposium (Sessions and Papers)

    Publication Year: 1961, Page(s):209 - 210
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (271 KB)

    First Page of the Article
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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