A dual-band balun using partially coupled stepped-impedance coupled-line resonators
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AbstractIn this paper, a recently proposed dual-band resonator structure consisting of a pair of partially coupled stepped-impedance lines is theoretically investigated. The new resonator configuration contains a number of attractive features for dual-band applications. A new type of dual-band balun that is constructed using a pair of such coupled stepped-impedance resonators is fully studied both theoretically and experimentally. Design equations for the balun are derived by an even- and odd-mode approach. A prototype of such dual-band balun operating at 900 MHz and 1.8 GHz is designed, fabricated, and measured. Good agreement between the designed and measured responses proves the concept of the dual-band balun and validates the design formulas.
All Author(s) ListGao X, Yeung LK, Wu KL
Journal nameIEEE Transactions on Microwave Theory and Techniques
Volume Number56
Issue Number6
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages1455 - 1460
LanguagesEnglish-United Kingdom
Keywordsbaluns; coupled lines; dual-band baluns; stepped-impedance resonators (SIRs)
Web of Science Subject CategoriesEngineering; Engineering, Electrical & Electronic; ENGINEERING, ELECTRICAL & ELECTRONIC

Last updated on 2021-06-12 at 00:17