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IEEE Transactions on Microwave Theory and Techniques

Issue 1 • Jan 1986

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Displaying Results 1 - 25 of 40
  • [Front cover - Jan. 1986]

    Publication Year: 1986, Page(s):f1 - f2
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    Freely Available from IEEE
  • Patent abstracts

    Publication Year: 1986, Page(s):197 - 200
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    Freely Available from IEEE
  • IEEE copyright form

    Publication Year: 1986, Page(s): 201
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    Freely Available from IEEE
  • Membership application

    Publication Year: 1986, Page(s): 203
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    Freely Available from IEEE
  • [Advertisement]

    Publication Year: 1986, Page(s): 204
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  • [Back cover - Jan. 1986 [T-MTT]]

    Publication Year: 1986, Page(s):b1 - b2
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    Freely Available from IEEE
  • High-Speed and Low-Power GaAs Phase Frequency Comparator

    Publication Year: 1986, Page(s):142 - 146
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (696 KB)

    A high-speed and low-power consumption phase frequency comparator (PFC) for a phase lock stable oscillator was designed and fabricated with a GaAs MESFET BFL circuit for the first time. The threshold voltage, gate width, and gate length of GaAs MESFET's in the PFC were determined by circuit simulations for a high-speed and low-power operation. The fabrication process used buried p-layer SAINT-FET'... View full abstract»

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  • Calculation of the Interaction Between the Fringing Capacitance of Symmetrical Stripline Using the Finite Element Method (Short Paper)

    Publication Year: 1986, Page(s):191 - 193
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (392 KB)

    This paper calculates the interaction between the fringing capacitance of symmetrical stripline using the finite-element method. The fringing capacitance interaction is presented as a function of T/B and W/B. This enables the characteristic impedance of narrow, high-impedance lines to be accurately and simply calculated. View full abstract»

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  • Vectorized Program Architectures for Supercomputer-Aided Circuit Design

    Publication Year: 1986, Page(s):135 - 141
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (912 KB)

    Vector processors (supercomputers) can be effectively employed in MIC or MMIC applications to solve problems of large numerical size such as broad-band nonlinear design or statistical design (yield optimization). In order to fully exploit the capabilities of a vector hardware, any program architecture must be structured accordingly. This paper presents a possible approach to the "semantic" vectori... View full abstract»

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  • A Method for the Calculation of Exact Capacitances of Circular Rod Arrays (Short Paper)

    Publication Year: 1986, Page(s):178 - 180
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (264 KB)

    An exact solution of the capacitance matrix of circular rods located inside a grounded rectangle is presented. The capacitances were determined by solving the integral equation for the charge densities on the conductors using the Green function. The results are compared to E. G. Cristal's [1] data. Examples of the computing capacitance matrix for some unsymmetrical configurations are given. View full abstract»

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  • Analysis of Unsymmetrical Broadside-Coupled Striplines with Anisotropic Substrates (Short Paper)

    Publication Year: 1986, Page(s):188 - 191
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (352 KB)

    A variational method of the analysis is described for the broadside-coupled striplines of unequal width. A compliance matrix is introduced for the unsymmetrical structure, and variational expressions are derived for the matrix elements for the first time. This method is applicable to the case with uniaxially anisotropic media, and it gives the transformation from the anisotropic to the equivalent ... View full abstract»

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  • Self-Adjoint Vector Variational Formulation for Lossy Anisotropic Dielectric Waveguide

    Publication Year: 1986, Page(s):129 - 134
    Cited by:  Papers (11)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (664 KB)

    This paper presents the derivation of a new self-adjoint variational formula for complex propagation constant in a lossy anisotropic dielectric waveguide, in terms of the magnetic field and real frequency. The ability to include loss and anisotropy (into the permittivity tensor) while preserving the self-adjointness of the system is achieved by using the less common real-type inner product. When u... View full abstract»

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  • Exact Simulation and Sensitivity Analysis of Multiplexing Networks

    Publication Year: 1986, Page(s):93 - 102
    Cited by:  Papers (21)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1008 KB)

    This paper presents a novel approach to the simulation and sensitivity analysis of multiplexing networks. All computations are performed efficiently utilizing the concept of forward and reverse analysis which is elegant and effective in cascaded circuit analysis. Formulas are derived for such responses as input or output reflection coefficient, common port and channel output port return losses, in... View full abstract»

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  • Response of Waveguides Terminated in a Tapered Metallic Wall (Short Paper)

    Publication Year: 1986, Page(s):175 - 178
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (400 KB)

    The characteristics of waveguides terminated in a tapered metallic wall are analyzed by means of the modal analysis and scattering matrix concept of discontinuities. Several applications of this kind of termination are suggested. The results can be very useful in evaluating the phase errors produced due to the use of a short-circuited waveguide with a metallic wall not placed in an exact transvers... View full abstract»

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  • Conversion Losses in GaAs Schottky-Barrier Diodes (Short Paper)

    Publication Year: 1986, Page(s):183 - 188
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (520 KB)

    The conversion losses of a Schottky-barrier diode have been calculated for a set of realistic diode parameters. It is found that previous work overestimated the substrate losses by 30 percent. It is also shown that a lightly doped epitaxial layer will decrease the barrier capacitance and with properly designed thickness will avoid any resistance losses due to this layer. Parasitic losses can thus ... View full abstract»

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  • Analysis and Design of Microwave Balanced Mixers

    Publication Year: 1986, Page(s):120 - 128
    Cited by:  Papers (12)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (896 KB)

    Based on the theory given in [1], planar balanced mixers are analyzed for fundamental and harmonic mixing, mixing product recovery, and the effect of circuit and diode parameters on the conversion loss. The successful incorporation of the proposed method in a CAD procedure is demonstrated through the development of a multioctave balanced mixer with L = 6 dB+-1 dB from 1.5 to 12.75 GHz. View full abstract»

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  • Formulation of the Singular Integral Equation Technique for Planar Transmission Lines (Correction)

    Publication Year: 1986, Page(s): 196
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (49 KB)

    In the above paper, it has been wrongly concluded that (17) and (18), which represent the energy coupling between a pair of complex modes, mean that each mode cannot exist alone. View full abstract»

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  • Calculating the Characteristic Impedance of Finlines by Transverse Resonance Method

    Publication Year: 1986, Page(s):85 - 92
    Cited by:  Papers (23)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (744 KB)

    The characteristic impedance of finlines with up to three slots is calculated by a rigorous hybrid-mode analysis which includes the finite metallization thickness and finite depth of the mounting grooves. The transverse resonance principle utilized reduces considerably the order of the involved matrix eigenvalue problem. The propagation constants for the fundamental HE1 mode (and EH View full abstract»

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  • TM Modes In Oversized Planar Metallic Waveguides (Short Paper)

    Publication Year: 1986, Page(s):172 - 175
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (384 KB)

    The propagation properties of transverse magnetic (TM) and hybrid modes in plane and circular metallic waveguides are considered when their dimensions are great with regard to the wavelength. When the oversizing is not too great, the behavior is the same as those of conventional metallic waveguides. For high frequencies (greater oversizing), we describe an unexpected bebavior for these modes. The ... View full abstract»

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  • A Dispersion Model for Coupled Microstrips

    Publication Year: 1986, Page(s):66 - 71
    Cited by:  Papers (13)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (640 KB)

    The frequency-dependent propagation characteristics of symmetrical, nonsymmetrical, and multiple coupled microstrips are evaluated by utilizing a directly coupled parallel-plate ideal waveguide model. The closed-form expressions for the frequency-dependent parameters of this proposed semi-empirical utility model are derived in terms of the quasi-static parameters of the coupled microstrip structur... View full abstract»

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  • Field Theory Design of Square Waveguide Iris Polarizers

    Publication Year: 1986, Page(s):156 - 160
    Cited by:  Papers (35)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (584 KB)

    Profiled depth corrugated square waveguide polarizers are designed with the method of field expansion into eigenmodes, which includes higher order mode interaction between the step discontinuities. Computer-optimized design data are giyen for a compact Ku-band prototype with an exponentially varying depth function that achieves 90° +- 1° differential phase shift shift within the separate... View full abstract»

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  • An Estimate of the Interaction Impedance of a Vane-Loaded Helix Using Equivalent-Circuit Analysis (Short Paper)

    Publication Year: 1986, Page(s):182 - 183
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (240 KB)

    The expression for the interaction impedance of a broad-band vane-loaded helical slow-wave structure has been found using Pierce's simple theory for a helix in free space, and the results of the equivalent-circuit analysis of the loaded structure. The interaction impedance has been found to be of the order of half the characteristic impedance in a typical loaded structure. The dependence of the sm... View full abstract»

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  • A Fast and Reliable Method for Computer Analysis of Microwave Mixers

    Publication Year: 1986, Page(s):110 - 119
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (968 KB)

    In this paper, a numerical method is presented for analyzing microwave mixers. Particular consideration is given to the solution of the nonlinear pumping problem of real Schottky-barrier diodes. The new technique has a significantly improved convergence rate, which is demonstrated by means of direct comparisons with other methods. A convergence test procedure is proposed and applied which uses ran... View full abstract»

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  • Polygonal Coaxial Line with Round Center Conductor (Comments)

    Publication Year: 1986, Page(s):195 - 196
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (144 KB)

    In the above paper, the author presented an expression for the attenuation constant a of a polygonal coaxial line with round center conductor. View full abstract»

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  • Symmetrical and Asymmetrical Edge-Coupled-Line Impedance Transformers with a Prescribed Insertion Loss Design

    Publication Year: 1986, Page(s):1 - 6
    Cited by:  Papers (18)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (688 KB)

    Distributed element synthesis is used for obtaining edge-coupled-line impedance transformers. A gain factor is introduced in a characteristic transfer function representing a line and stub network. A redundant form of this network is identified with the equivalent circuit of the edge-coupled line pair. The transfer function is then used to synthesize Butterworth and Chebyshev coupled-line transfor... View full abstract»

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Aims & Scope

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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Meet Our Editors

Editor-in-Chief
Luca Perregrini
luca.perregrini@unipv.it

Editor-in-Chief
Jose Carlos Pedro
edit.tmtt@ua.pt