A Broadband and Vialess Vertical Microstrip-to-Microstrip Transition
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AbstractA novel, broadband, vialess, and vertical microstrip-to-microstrip transition is proposed in this paper. The transition consists of two open-circuited microstrip resonators and a U-shaped resonant-slot on the common ground plane. A physics-based equivalent-circuit model is developed for interpreting its working mechanism and facilitating the design process. The transition is analogous to a three-pole resonator filter. Based on the equivalent-circuit model, the coupling coefficients of the physical circuit can be calculated from the group delay information of two segregated electromagnetic models. To effectively control the couplings, a modified configuration is also proposed. A prototype transition is designed using the proposed design formulas. The fabricated circuit is measured to validate the proposed transition and the equivalent-circuit model. Good agreement is obtained between not only the measured and the simulated performance, but also the designed and the extracted-circuit model. In addition to the wide bandwidth, the features of vialess and easy fabrication make the novel transition very attractive for system-on-package applications.
All Author(s) ListHuang XB, Wu KL
Journal nameIEEE Transactions on Microwave Theory and Techniques
Year2012
Month4
Day1
Volume Number60
Issue Number4
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages938 - 944
ISSN0018-9480
eISSN1557-9670
LanguagesEnglish-United Kingdom
KeywordsBroadband; equivalent circuit; microstrip transitions; multilayer circuits
Web of Science Subject CategoriesEngineering; Engineering, Electrical & Electronic; ENGINEERING, ELECTRICAL & ELECTRONIC

Last updated on 2021-15-09 at 00:08