Microstrip Dual-Band Bandpass Filter Using U-Shaped Resonators

Eugene Ogbodo, Yi Wang, Kenneth Yeo

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)


Coupled resonators are widely used in the design of cross-coupled filters with dual-passband response and the quasi-elliptic function characteristics. In this paper, we will present a dual-band bandpass filter using only couplings between adjacent resonators, i.e. without cross-couplings. The dual-band bandpass filter with passband centre frequencies of 1747 MHz and 1880 MHz respectively is designed and fabricated using microstrip U-shaped resonators. Using coupled resonator pair as a dual-band cluster, a miniaturised structure is achieved as compared to the conventional topology. The measured responses agree closely with the simulations.
Original languageEnglish
Pages (from-to)1-6
Number of pages6
JournalProgress In Electromagnetics Research Letters
Publication statusPublished - 2016


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