High‐performance balanced dual‐band bandpass filter with controllable bandwidth and frequency ratio
Shipeng Zhao,
Zhongbao Wang,
Hongmei Liu
et al.
Abstract:In this study, a novel high‐performance balanced dual‐band bandpass filter (BPF) with controllable bandwidth and frequency ratio is proposed. The symmetrical dual‐band bandpass characteristics on both sides of the center frequency f0 can be achieved by cascading two one‐wavelength edge‐coupled ring resonators through coupling. To suppress the common‐mode (CM) noises, a high‐performance balanced dual‐band BPF is designed and analyzed. The elements affecting the controllable filtering bandwidth and frequency rat… Show more
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