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<?Pub Dtl?>This letter proposes a novel ultra-wideband (UWB) bandpass filter (BPF) with dual notched bands using triangular defected ground structures (DGS). Two symmetrical dumbbell-shaped interdigital capacitors are formed to improve the BPF's performance. Three pairs of tapered defected ground structures are studied and adopted to suppress the spurious passband by assigning their transmission...
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