Super compact and ultra-wideband bandpass filter using bridged-T coils

Abstract

An ultra-wideband (UWB) bandpass filter (BPF) with super compact circuit size is proposed, which is realized using bridged-T coils. By replacing all the transmission line sections of a tri-mode resonator with bridged-T coils, the filter size can be largely reduced while the original frequency response remains almost intact. The proposed filter structure can… (More)

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