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IRE Transactions on Microwave Theory and Techniques

Issue 6 • November 1962

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Displaying Results 1 - 25 of 38
  • [Front cover - Nov. 1962]

    Publication Year: 1962, Page(s):f1 - f2
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    Freely Available from IEEE
  • Index to IRE Transactions on Microwave Theory and Techniques, Volume MTT-10, 1962

    Publication Year: 1962, Page(s):i - vi
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    Freely Available from IEEE
  • Table of contents - November 1962

    Publication Year: 1962, Page(s): 407
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    Freely Available from IEEE
  • George L. Matthaei [Biography]

    Publication Year: 1962, Page(s):408 - 409
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    Freely Available from IEEE
  • 1962 Pgmtt National Symposium

    Publication Year: 1962, Page(s):410 - 412
    Cited by:  Papers (1)
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    First Page of the Article
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  • Standards and the Microwave Profession

    Publication Year: 1962, Page(s):413 - 415
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    The Keynote of the 1962 PGMTT Symposium was the reciprocal dependence between the National Bureau of Standards and the microwave profession. The fact that the Symposium was held at the NBS Boulder Laboratories symbolized our mutual interest. I would like to analyze this relationship and suggest the mutual benefits to be gained by fostering it. View full abstract»

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  • Microwave Band-Stop Filters with Narrow Stop Bands

    Publication Year: 1962, Page(s):416 - 427
    Cited by:  Papers (1)  |  Patents (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1200 KB)

    Band-stop filters can be used to eliminate a band of frequencies, or to separate such a band from other frequencies; if properly designed, the insertion loss at frequencies outside the stop-band can be minimized. The filters considered here have stop-band bandwidths up to a few per cent, and equiripple or maximally flat characteristics in the passband. Design formulas are presented. The effect of ... View full abstract»

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  • A Novel High-Power Harmonic Suppressor

    Publication Year: 1962, Page(s):428 - 431
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (552 KB)

    The use of high-power harmonic suppressors, or low-pass filters, is becoming an accepted technique in the microwave state-of-the-art. The filter to be described is a novel version of the "leaky wall" type. A C-band fundamental frequency harmonic suppressor has been designed with attenuation characteristics verified through the fourth harmonic (K band). This filter exhibited attenuation of greater ... View full abstract»

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  • A Plasma-Column Band-Pass Microwave Filter

    Publication Year: 1962, Page(s):431 - 439
    Cited by:  Papers (6)
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    A tunable band-pass filter using the dipole resonance of a plasma column has been investigated. The center frequency of the pass band can be electronically tuned over a large portion of a waveguide band. For the prototype investigated at S band, the insertion loss at the center frequency was less than 2 db, with isolation for frequencies outside the pass band on the order of 12 db. A typical 3-db ... View full abstract»

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  • Fine Grain Spectrum Analysis of Pulsed Microwave Amplifiers

    Publication Year: 1962, Page(s):440 - 453
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    With the advent of microwave transmitter systems requiring high spectral purity, it has become important to control the interline noise and modulation products in the fine grain spectrum of CW or pulsed microwave amplifiers. Some of the causes of interline noise and modulation in high-power microwave amplifiers such as klystrons, TWT's and coaxial triodes are reviewed in this paper. A spectrum ana... View full abstract»

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  • Ferrite Switches in Coaxial or Strip Transmission Line

    Publication Year: 1962, Page(s):455 - 458
    Cited by:  Papers (4)
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    An examination of the properties of longitudinally-magnetized ferrite in coaxial transmission lines reveals regions of low and high attenuation which could be used for the ON and OFF conditions, respectively, of a switch. A strip line switch designed for fast switching and L band is described. Its performance includes approximately 0.l-db insertion loss and 45-db isolation over a 13 per cent band. View full abstract»

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  • Synchronous Branch Guide Directional Couplers for Low and High Power Applications

    Publication Year: 1962, Page(s):459 - 475
    Cited by:  Papers (30)
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    Branch-guide directional couplers can be built in most types of transmission line. A design procedure is here developed which gives predictable and superior performance over a specified frequency band. A new chart was constructed from which the coupler impedances or admittances can be calculated quickly and with sufficient accuracy for nearly all practical applications. A five-branch, 6-db coupler... View full abstract»

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  • A 6-kw Peak Power Varactor Duplexer

    Publication Year: 1962, Page(s):476 - 479
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (464 KB)

    A strip transmission line varactor duplexer was developed for 6-kw operation at 1600 Mc for a missile application. The insertion losses were 0.6 db from antenna to receiver, and 0.3 db from transmitter to antenna. Transmitter to receiver isolation was greater than 40 db. The paper discusses the parameters leading to the choice of varactor and circuit configuration as to provide the power handling ... View full abstract»

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  • Interdigital Band-Pass Filters

    Publication Year: 1962, Page(s):479 - 491
    Cited by:  Papers (109)  |  Patents (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1627 KB)

    The design of band-pass filters using interdigital arrays of resonator line elements between parallel ground planes is discussed. Two approximate design procedures are described, both of which permit design directly from lumped element, low-pass, prototype filters. Both design procedures will work for either narrow or wide-band filters, but one procedure gives more practical dimensions for filters... View full abstract»

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  • Phase-Shift Characteristics of Dielectric Loaded Waveguide

    Publication Year: 1962, Page(s):492 - 496
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (494 KB)

    An investigation of waveguide phase-shifting techniques was conducted for the purpose of establishing the design criteria for a device capable of meeting the following specifications: a phase-shift variable over a minimum range of 360/spl deg/ and a maximum phase error of /spl plusmn/ 5/spl deg/ at any phase setting over at last a 10 per cent frequency bandwidth. The dielectric loaded waveguide is... View full abstract»

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  • A New Technique for Multimode Power Measurement

    Publication Year: 1962, Page(s):496 - 505
    Cited by:  Papers (10)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1055 KB)

    A new and simple technique for measuring total power flow to within /spl plusmn/ 1 db in an overmoded waveguide has been developed. A set of fixed probes (typically, 40 probes) samples the electric fields normal to the surface of an enlarged waveguide section. The enlarged waveguide and a dispersive line stretcher permit quick determinations of power delivered to a matched load when the power is p... View full abstract»

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  • Subtle Differences in System Noise Measurements and Calibration of Noise Standards

    Publication Year: 1962, Page(s):506 - 516
    Cited by:  Papers (1)
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    Stringent system requirements and the lack of accurate standards have been the source of many controversies in low-noise receiver measurements. Some of the critical measurement problems where subtle errors commonly arise, and their significance in automatic noise temperature monitoring systems have been investigated at L-, S-, and X-band frequencies. Problems of interest include the following: 1) ... View full abstract»

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  • Frequency-Selective Limiting

    Publication Year: 1962, Page(s):516 - 520
    Cited by:  Papers (17)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (565 KB)

    In the usual microwave limiter, the presence of one more large signals above a certain threshold level produces a limiting action which can be explained as a change in insertion loss of the limiter so as to maintain a constant output power, regardless of the number of independent signals present. Experimental results of coincidence mode passive ferrite limiters in S band and C band are presented w... View full abstract»

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  • An Accurate Millimeter Wave Loss and Delay Measurement Set

    Publication Year: 1962, Page(s):521 - 527
    Cited by:  Papers (2)
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    A millimeter wave loss and delay measurement set has been built which combines large dynamic range with high accuracy. Up to 80-db loss and 100-nsec envelope dela!y can be measured in the 50-60-Gc range. The accuracy for 0-40-db loss measurements is /spl plusmn/ 0.05 db while beyond that accuracy is progressively diminished to /spl plusmn/ 0.9 db at 80 db. Delay accuracy for low-loss devices (0-20... View full abstract»

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  • Electromagnetic Diffraction by a Planar Array of Circular Disks

    Publication Year: 1962, Page(s):528 - 535
    Cited by:  Papers (8)
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    The diffraction of a plane electromagnetic wave by a planar rectangular array of perfectly conducting circular disks is considered. The diffracted field is calculated from the induced electric and magnetic dipole moments and higher-order multipole moments. Static and dynamic interactions between the induced dipole moments are being considered, first by using a plane-wave approximation for the dipo... View full abstract»

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  • Ferroelectric Phase Shifters for VHF and UHF

    Publication Year: 1962, Page(s):536 - 548
    Cited by:  Papers (11)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1456 KB)

    The analysis, construction, and performance of compact surface wave ferroelectric phase shifters suitable for operation in the100-to1000-MC frequency range are described. Although this ferroelectric loaded parallel-plane structure is a very low impedance structure, a satisfactory terminal impedance matching technique has been devised. Kilovolt level voltages are needed; but since the current requi... View full abstract»

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  • An Automatic Microwave Phase Comparator

    Publication Year: 1962, Page(s):548 - 550
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (338 KB)

    A method for passively measuring the phase angle between two signals of the same frequency is described. While simple in concept, the system has no ambiguities throughout 360/spl deg/ and is independent of relative signal amplitudes because phase angle is displayed orthogonally to amplitude. Consisting principally of two hybrids with detectors and an X-Y indicator, the system contains no moving pa... View full abstract»

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  • The Synthesis of N-Port Circulators

    Publication Year: 1962, Page(s):551 - 554
    Cited by:  Papers (14)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (300 KB)

    It is shown that there is a certain wide class of three-port network that can be transformed into a circulator by the addition of reactive elements. For such synthesis from a symmetrical three-port junction it is necessary and sufficient for it to be loss-free and for the moduli of the two transmission coefficients to be different. This approach may be used in the design of broad-band circulators.... View full abstract»

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  • Propagation of Surface Waves on an Inhomogeneous Plane Layer

    Publication Year: 1962, Page(s):554 - 558
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (454 KB)

    The permittivity of a plane layer is assumed to vary continuously as a function of distance measured from the surface. Solutions for the field distributions of surface waves on the inhomogeneous layer are developed with the WKB technique. Transcendental equations for the phase velocity are derived for TE and TM modes. These equations are solved most conveniently with the aid of phase-velocity grap... View full abstract»

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  • UHF Backward-Wave Parametric Amplifier

    Publication Year: 1962, Page(s):558 - 563
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (794 KB)

    This paper describes a breadboard model of a UHF varactor diode backward-wave parametric amplifier that can be electronically tuned over an octave tuning range (250-500 Mc). It operates in a mode that has a relatively constant idler frequency; however, it uses two forward-wave transmission lines in contrast to the backward-wave transmission line requirement previously reported. A theoretical discu... 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