A full planar tunable band pass resonator is introduced, which is constructed by using novel symmetric step impedance resonator (SIR) and hyperabrupt varactors for wide bandwidth tuning and size reduction. The equiv...A full planar tunable band pass resonator is introduced, which is constructed by using novel symmetric step impedance resonator (SIR) and hyperabrupt varactors for wide bandwidth tuning and size reduction. The equivalent circuit model of the proposed resonator is set up. Theoretical analysis based on transmission line as well as odd and even-mode method is completed. The attractiveness of the approach presented lies in its simplicity. Based on the detailed analysis, a 6 GHz to 10 GHz varactor tuned resonator is designed, fabricated, and measured. It shows wideband tuning ability of 37%. The experimental results of the resonator have a good agreement with the analysis results.展开更多
文摘A full planar tunable band pass resonator is introduced, which is constructed by using novel symmetric step impedance resonator (SIR) and hyperabrupt varactors for wide bandwidth tuning and size reduction. The equivalent circuit model of the proposed resonator is set up. Theoretical analysis based on transmission line as well as odd and even-mode method is completed. The attractiveness of the approach presented lies in its simplicity. Based on the detailed analysis, a 6 GHz to 10 GHz varactor tuned resonator is designed, fabricated, and measured. It shows wideband tuning ability of 37%. The experimental results of the resonator have a good agreement with the analysis results.