A piezoelectric transducer-controlled dual-mode switchable bandpass filter is introduced. A piezoelectric transducer is used to lift up or pull down the attached dielectric substrate perturbation. When the dielectric substrate is pulled down, the perturbation excites dual modes and the dual-mode filter is on. The return loss is better than 10 dB and the insertion loss is less than 3 dB from 2.92 to 3 GHz. When the dielectric substrate is lifted up, the dual-mode resonator is unperturbed and the dual-mode filter is off. The isolation is 21 dB at 3 GHz. The on-off ratio is 18 dB.
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LG Elect Inst Technol, Micro Syst Grp, Device & Mat Lab, Seoul 137724, South KoreaLG Elect Inst Technol, Micro Syst Grp, Device & Mat Lab, Seoul 137724, South Korea
Lee, HC
Park, JY
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LG Elect Inst Technol, Micro Syst Grp, Device & Mat Lab, Seoul 137724, South KoreaLG Elect Inst Technol, Micro Syst Grp, Device & Mat Lab, Seoul 137724, South Korea
Park, JY
Bu, JU
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LG Elect Inst Technol, Micro Syst Grp, Device & Mat Lab, Seoul 137724, South KoreaLG Elect Inst Technol, Micro Syst Grp, Device & Mat Lab, Seoul 137724, South Korea
机构:
LG Elect Inst Technol, Micro Syst Grp, Device & Mat Lab, Seoul 137724, South KoreaLG Elect Inst Technol, Micro Syst Grp, Device & Mat Lab, Seoul 137724, South Korea
Lee, HC
Park, JY
论文数: 0引用数: 0
h-index: 0
机构:
LG Elect Inst Technol, Micro Syst Grp, Device & Mat Lab, Seoul 137724, South KoreaLG Elect Inst Technol, Micro Syst Grp, Device & Mat Lab, Seoul 137724, South Korea
Park, JY
Bu, JU
论文数: 0引用数: 0
h-index: 0
机构:
LG Elect Inst Technol, Micro Syst Grp, Device & Mat Lab, Seoul 137724, South KoreaLG Elect Inst Technol, Micro Syst Grp, Device & Mat Lab, Seoul 137724, South Korea