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Compact dual-band microstrip bandpass filters using composite cross and open/short-circuited E-shaped resonators

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3 Author(s)
Runqi Zhang ; Sch. of Electr. & Electron. Eng., Nanyang Technol. Univ., Singapore, Singapore ; Lei Zhu ; Sha Luo

In this paper, a class of new dual-band microstrip bandpass filters (BPFs) using composite cross and open/short-circuited E-shaped resonators is proposed. With the choice of the open- or short-circuited E-shaped resonator, the dual-band filter can be designed with different number of transmission poles in each passband. A transversal coupling scheme is used to analyze and design the proposed dual-band BPFs. Finally, two filters are analyzed, designed and tested to verify the proposed composite structure.

Published in:

Microwave Conference Proceedings (APMC), 2012 Asia-Pacific

Date of Conference:

4-7 Dec. 2012