High Q realization of quasi dual-mode dual band bandpass filter
This paper introduces a new design of dual-band bandpass filter based on coaxial line. The two passbands are achieved by connecting two stepped-impedance quasi-dual-mode resonators in parallel. Experimental prototype is fabricated and presented. The measured result shows that the coaxial filter has...
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| Main Authors: | , , |
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| Format: | Article |
| Published: |
Institute of Electrical and Electronics Engineers Inc.
2018
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| Online Access: | https://www.scopus.com/inward/record.uri?eid=2-s2.0-85044781937&doi=10.1109%2fAPMC.2017.8251422&partnerID=40&md5=19af388f472f8371a4c42dfdc74189b9 http://eprints.utp.edu.my/21852/ |
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| Summary: | This paper introduces a new design of dual-band bandpass filter based on coaxial line. The two passbands are achieved by connecting two stepped-impedance quasi-dual-mode resonators in parallel. Experimental prototype is fabricated and presented. The measured result shows that the coaxial filter has two passbands at 773 MHz and 880 MHz with the bandwidth of 1 and 0.4 respectively. In addition, each band of the filter has two resonances by using only one coaxial resonator structure with the electrical length of 120° to achieve miniaturization. © 2017 IEEE. |
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