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This paper presents a novel reconfigurable resonator and proposes a new BPF structure. The proposed BPF has the capability to change the number of reconfigurable resonators in use. The resonator and BPF are fabricated as proof of concept. The measured results show that the proposed structure is effective in independently configuring the fc, BW, and AT. The tuning of the AT is achieved by changing...
This paper proposes a novel tunable resonator and bandpass filter that have symmetric frequency characteristics around the resonant frequency, and that can tune their resonant/center frequency, bandwidth, and filter order to configure the attenuation characteristics for out-of-band frequencies. The proposed resonator consists of switches, a pair of transmission lines, and variable reactance circuits...
This paper proposes a novel ring resonator filter that has tunable capabilities for the center frequency, bandwidth, and out-of-band characteristic. The filter comprises ring resonators, switches, and tunable reactive elements such as varactors and tunable stubs. The newly proposed ring resonator incorporates varactors and switches that are connected to tunable elements. The varactors are used to...
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