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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2012-05-27
A Circuit Model for Vertical Multilayer Transitions in Coplanar Waveguide Technology
By
Benito Lopez-Berrocal,

    Dr. Benito Lopez-Berrocal

    Departmento de Ingenieria de Comunicaciones

    Malaga University

    Spain

    Homepage

Enrique Marquez-Segura,

    Dr. Enrique Marquez-Segura

    Ingeniería de Comunicaciones

    Universidad de Malaga

    Spain

    Homepage

Inigo Molina-Fernandez,

    Dr. Inigo Molina-Fernandez

    Departmento de Ingenieria de Comunicaciones

    Malaga University

    Spain

    Homepage

Juan Carlos Gonzalez-Delgado

    Dr. Juan Carlos Gonzalez-Delgado

    Departamento de Ingenieria de Comunicaciones, ETSI Telecomunicacion

    Malaga University

    Spain

    Homepage

Progress In Electromagnetics Research B, Vol. 41, 51-76, 2012
doi:10.2528/PIERB12020308 | Google Scholar

Abstract
A circuit model for vertical transitions between different coplanar waveguide systems using via-holes is presented. The model is directly extracted from the geometry of the transition using closed expressions. Additionally, it can be used to find suitable initial dimensions for the transition in a circuit simulator, thereby greatly reducing the effort spent on subsequent electromagnetic simulations. To test the validity of the developed model, it is applied to a variety of situations involving a wide range of stack heights, dielectric constants, and transmission line geometry values. These situations cover most of the relevant broadband vertical transitions used in practical PCB and LTCC designs. Comparative analysis of the circuit model and electromagnetic simulations yields good agreement in all analyzed situations. Experimental assessment of the model is also provided for some of the transitions that were built and characterized in a back-to-back configuration.
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Citation
Benito Lopez-Berrocal, Enrique Marquez-Segura, Inigo Molina-Fernandez, and Juan Carlos Gonzalez-Delgado, "A Circuit Model for Vertical Multilayer Transitions in Coplanar Waveguide Technology," Progress In Electromagnetics Research B, Vol. 41, 51-76, 2012.
doi:10.2528/PIERB12020308
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