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In this letter, a unique type of balanced bandpass filter (BPF) with high selectivity and tunable attenuation is proposed through the comprehensive design of a microstrip balanced BPF and graphene nanoplates. In order to achieve the passband response in differential‐mode (DM) excitation and produce a wide and deep stopband in common‐mode (CM) excitation, the balanced couple of lines are used in balanced...
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