A generalized theory for asymmetrical coupled lines

A method that calculates the properties of geometrically or electromagnetically asymmetrical coupled lines is discussed. Analogous to the normally used theory of even and odd modes, the electromagnetic fields on the computer are described in terms of two modes as the basic variables to calculate the...

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Bibliographic Details
Published in:IEEE transactions on microwave theory and techniques 1989-03, Vol.37 (3), p.622-624
Main Authors: Kother, D., Wolff, I., Beyer, A.
Format: Article
Language:English
Subjects:
Anisotropic magnetoresistance
Applied sciences
Circuit properties
Directional couplers
Electric, optical and optoelectronic circuits
Electromagnetic coupling
Electromagnetic waveguides
Electronics
Exact sciences and technology
Ferrites
Impedance
Magnetic anisotropy
Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits
Millimeter wave technology
Perpendicular magnetic anisotropy
Slabs
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Summary:A method that calculates the properties of geometrically or electromagnetically asymmetrical coupled lines is discussed. Analogous to the normally used theory of even and odd modes, the electromagnetic fields on the computer are described in terms of two modes as the basic variables to calculate the coupling behavior. As a criterion for determining the amplitudes of the two modes, the power transported on the two guides is used. An image guide coupler with a ferrite slab theoretically demonstrates the feasibility of this method.< >
ISSN:0018-9480
1557-9670
DOI:10.1109/22.21637