A dual-band filter design based on a stub-loaded uniform impedance resonator
In order to improve the performance of RF front-end filter in wireless communication,a dual-frequency filter is designed.The filter is coupled by a pair of uniform impedance resonators based on node loading.By choosing appropriate impedance ratio and electron length ratio,dual-frequency filters with center frequencies of 2.6 GHz and 4.82 GHz are realized.Simulation analysis and experimental tests show that the designed dual-frequency filter has the advantages of high selectivity,small volume and low insertion loss,so it has good practical application and promotion value.
dual band filterdual-banduniform impedance resonatorstub-loadedtransmission line theory
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