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IEEE Transactions on Microwave Theory and Techniques

Issue 8 • Date Aug 1986

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Displaying Results 1 - 15 of 15
  • [Front cover - Aug. 1986 [T-MTT]]

    Publication Year: 1986, Page(s):f1 - f2
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    Freely Available from IEEE
  • Patent Abstracts (Aug. 1986 [T-MTT])

    Publication Year: 1986, Page(s):907 - 910
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    Freely Available from IEEE
  • [Advertisement]

    Publication Year: 1986, Page(s): 911
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    Freely Available from IEEE
  • 1986 IEEE Membership Directory [advertisement]

    Publication Year: 1986, Page(s): 912
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  • A Broad-Band Homodyne Network Analyzer with Binary Phase Modulation (Short Paper)

    Publication Year: 1986, Page(s):902 - 906
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (552 KB)

    An automatic homodyne network analyzer system using cascaded binary phase shifters is described which operates over the full X-band with a high dynamic range due to an auxiliary modulation and linear detection technique. A general analytic solution of the complex nonlinear system equations is given which allows the use of a coupled modulator/phase shifter structure. Measurement results are reporte... View full abstract»

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  • Characteristic Impedance of a Wide Slotline on Low-Permittivity Substrates (Short Paper)

    Publication Year: 1986, Page(s):900 - 902
    Cited by:  Papers (105)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (264 KB)

    Computed results on the characteristic impedance of wide slots etched on an electrically thin substrate of low dielectric constant epsilonr are presented. These results combined with those in [1] provide design data for these slotlines. Curves are presented for epsilonr= 2.22, 3.0, 3.8, and 9.8. Comparison is shown for the characteristic impedance between the present calculat... View full abstract»

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  • Analysis and Experiment Concerning the Cutoff Frequencies of Rectangular Striplines (Short Paper)

    Publication Year: 1986, Page(s):898 - 899
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (280 KB)

    The cutoff frequency of the first higher order mode in a rectangular stripline is determined by two disparate techniques and compared to published results. Results from a novel experiment verify the cutoff frequency predictions. Furthermore, a nomenclature scheme for uniquely identifying rectangular stripline modes is offered. View full abstract»

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  • A Wide-Band 12-GHz 12-Way Planar Power Divider/Combiner (Short Paper)

    Publication Year: 1986, Page(s):896 - 897
    Cited by:  Papers (1)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (232 KB)

    A 12-way, low-loss, wide-band planar electrically symmetric hybrid power divider/combiner for the X-band is described. It is a two-stage fork, 12-way hybrid realized completely in microstrip. A circuit design is given to maximize the match and isolation at band center. Over a frequency band of 10-13 GHz, this divider/combiner has an insertion loss of less than 1 dB and an isolation between output ... View full abstract»

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  • Theory and Design of Broad-Band Nongrounded Matched Loads for Planar Circuits (Short Paper)

    Publication Year: 1986, Page(s):892 - 896
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (608 KB)

    A filter theory approach is used for the synthesis of very broad-band resistive terminations with no direct grounding. The immediate use is in microwave integrated circuits (MIC's) where no holes or wraparound straps are desirable. Bandwidths achieved amount to 100 and 160 percent for networks of order 2 and 6, respectively. The total circuit lengths are lambda and 3 lambda/2 in these cases. This ... View full abstract»

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  • Multiple Dielectric Posts in a Rectangular Waveguide

    Publication Year: 1986, Page(s):883 - 891
    Cited by:  Papers (30)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (800 KB)

    This paper presents a complete analysis for a system of Iinear, homogeneous, and isotropic dielectric posts in a rectangular waveguide. These posts are assumed uniform along the narrow side of the waveguide, but are otherwise of arbitrary cross section and thickness. The scattering and impedance matrices describing the effect of the posts on the dominant waveguide mode are derived. The latter is t... View full abstract»

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  • Field Solution, Polarization, and Eigenmodes of Shielded Microstrip Transmission Line

    Publication Year: 1986, Page(s):845 - 852
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (664 KB)

    Application of the reciprocity theorem leads to a variational expression for the propagation constant of the fields inside shielded microstrip-like transmission lines. The resulting equation involves both the propagation constant and the tangential fields at the air-dielectric interface. Using the Rayleigh-Ritz optimization technique, both the propagation constant and the fields are completely det... View full abstract»

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  • On a Class of Electromagnetic Wave Functions for Propagation Along the Circular Gyrotropic Waveguide

    Publication Year: 1986, Page(s):853 - 862
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (912 KB)

    The properties of confluent hypergeometric functions as exact electromagnetic wave fnnctions for propagation in a circular waveguide containing azimuthally magnetized remanent ferrite are investigated. Two different forms of solutions of the propagation problem for angular symmetric transverse electric modes are constructed-one in terms of Kummer and Tricomi confluent hypergeometric functions of c... View full abstract»

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  • Short-Step-Stub Chebyshev Transformers Impedance

    Publication Year: 1986, Page(s):863 - 868
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (592 KB)

    A transfer function for short-step impedance transforming filters consisting of short cascaded TEM transmission-line sections and at least one commensurate length open-circuit stub is described. Element values are given for a particular family of octave-bandwidth short-step transformers that are much more compact than existing short-step transformers. View full abstract»

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  • Generalized Coupled Dielectric Waveguide and its Variants for Millimeter-Wave Applications

    Publication Year: 1986, Page(s):869 - 875
    Cited by:  Papers (13)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (680 KB)

    The characteristic equations of hybrid TM and TE modes for a generalized coupled dielectric waveguide are derived using the mode-matching technique. From the characteristic equations of the generalized coupled dieketric waveguide, the phase constant, wave impedance, and field distribution can be evaluated. A variety of single and coupled dielectric waveguides can be obtained by assigning proper pa... View full abstract»

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  • Analysis and Measurements of Nonradiative Dielectric Waveguide Bends

    Publication Year: 1986, Page(s):876 - 882
    Cited by:  Papers (21)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (744 KB)

    The coupling theory is applied to analyze loss characteristics of the NRD-guide bends. Besides the operating LSM01 mode, the parasitic LSE01 mode is generated at bends as a result of the mode conversion. A rigorous expression for the coupling coefficient between these two modes is derived and then employed in the two-mode coupling equations to be solved for the bending loss a... View full abstract»

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The IEEE Transactions on Microwave Theory and Techniques focuses on that part of engineering and theory associated with microwave/millimeter-wave components, devices, circuits, and systems involving the generation, modulation, demodulation, control, transmission, and detection of microwave signals. This includes scientific, technical, and industrial, activities. Microwave theory and techniques relates to electromagnetic waves usually in the frequency region between a few MHz and a THz; other spectral regions and wave types are included within the scope of the Society whenever basic microwave theory and techniques can yield useful results. Generally, this occurs in the theory of wave propagation in structures with dimensions comparable to a wavelength, and in the related techniques for analysis and design..

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