New Bandstop Filter Circuit Topology and Its Application to Design of a Bandstop-to-Bandpass Switchable Filter
- Authors
- Lee, Juseop; Naglich, Eric J.; Sigmarsson, Hjalti H.; Peroulis, Dimitrios; Chappell, William J.
- Issue Date
- 3월-2013
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Bandpass filter; bandstop filter; filter synthesis; resonator filter
- Citation
- IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, v.61, no.3, pp.1114 - 1123
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES
- Volume
- 61
- Number
- 3
- Start Page
- 1114
- End Page
- 1123
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/103854
- DOI
- 10.1109/TMTT.2012.2237036
- ISSN
- 0018-9480
- Abstract
- In this paper, we show a new bandstop filter circuit topology. Unlike conventional bandstop filter circuit topologies, the new circuit topology has inter-resonator coupling structures. The presence of these inter-resonator coupling structures enables convenient switching from a bandstop to a bandpass filter. Using the new bandstop filter topology, this paper demonstrates a design of a frequency-agile bandstop-to-bandpass switchable filter. The filter is composed of tunable substrate-integrated cavity resonators and can be switched to have either a bandstop or bandpass response. Switching is achieved by turning on and off switches placed within the filter structure. A prototype of the proposed design is fabricated and the concept is verified experimentally.
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Collections - Graduate School > Department of Computer Science and Engineering > 1. Journal Articles
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