Highly selective, compact ultra-wide band bandpass filter using a novel multiple resonances resonator (MRR)

• Main Authors: Khalid, S., Wen, W.P., Cheong, L.Y.
• Format: Conference or Workshop Item
• Published: 2013
• Online Access: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84893211660&doi=10.1109%2fMWSYM.2013.6697476&partnerID=40&md5=6860b073cab78a646d0ad3940f63529a; http://eprints.utp.edu.my/32593/

In this paper a high selective compact ultrawide band (UWB) bandpass filter has been designed using a novel multiple resonances resonator (MRR). Equivalent circuit has been extracted for the proposed single order MRR where the filtering function was derived, showing the feasibility of a maximum of six transmission poles in the passband. Finite frequency transmission zero was introduced by having a mixed coupling in the MRR structure, resulting in a compact UWB filter with high selectivity filtering response. A prototype is fabricated to validate the proposed design. Experimental and simulated results shows good agreement. © 2013 IEEE.