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학술지 Dual-Mode Dual-Band Bandpass Filter Using Balun Structure for Single Substrate Configuration
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저자
백정우, Lei Zhu, 김영식
발행일
201011
출처
IEEE Microwave and Wireless Components Letters, v.20 no.11, pp.613-615
ISSN
1531-1309
출판사
IEEE
DOI
https://dx.doi.org/10.1109/LMWC.2010.2060184
협약과제
10MR3500, 메타 전자파 구조를 이용한 전파(RF)스펙트럼 개선 기술 연구, 최재익
초록
A novel dual-mode dual-band bandpass filter (BPF) for a single substrate configuration is proposed that uses a balun structure. The outer and inner loop resonators are simultaneously excited by the microstrip line and slotline balun structure. In spite of the microstrip feed network, the proposed dual-mode BPF can achieve dual-band operation. Two proper degenerate modes in the lower and upper passbands can be generated and controlled by installing an inductive cut and a capacitive patch in the corner of two loops, respectively. This letter deals with the analysis and design of the proposed dual-band BPF as well as the experimental validation of the predicted dual-band performance. © 2010 IEEE.
키워드
Balun structure, bandpass filter (BPF), dual-band filter, dual-mode filter, single substrate configuration
KSP 제안 키워드
Band pass Filter(BPF), Dual-band bandpass filter, Dual-band filter, Dual-band operation, Inner loop, Loop resonator, Microstrip Line, Microstrip feed network, Single substrate, Substrate configuration, analysis and design