Abstract:This paper presents a novel and very compact planer reconfigurable bandpass to bandpass/lowpass filter covering the 0 to 1 GHz and 3.4 to 3.8 GHz spectrum for 5G applications. The microstrip filter employs three open-loop ring resonators with 50 Ω tapped lines for input and output ports. To achieve sharper cutoff frequencies, finite transmission zeros are successfully generated on the upper and lower edges of the 5G passbands. By utilization of the forth resonator between the input and output ports, Lowpass ch… Show more
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