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DIELECTRIC RESONATOR, OSCILLATOR, FILTER, HIGH FREQUENCY MODULE, AND METHOD OF ADJUSTING RESONANT FREQUENCY OF DIELECTRIC RESONATOR
DIELECTRIC RESONATOR, OSCILLATOR, FILTER, HIGH FREQUENCY MODULE, AND METHOD OF ADJUSTING RESONANT FREQUENCY OF DIELECTRIC RESONATOR
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机译:电介质谐振器,振荡器,滤波器,高频模块以及调整电介质谐振器频率的方法
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摘要
PROBLEM TO BE SOLVED: To provide a dielectric resonator, an oscillator, filter, high frequency module and method of adjusting a resonant frequency of the dielectric resonator in which a dedicated step for forming a member for resonant frequency adjustment is not required, further, the resonant frequency can be precisely adjusted and also greatly changed in a short time and moreover, the resonant frequency can be adjusted in both directions to be decreased and increased.;SOLUTION: A dielectric resonator 1 comprises a dielectric substrate 2, electrode plates 3A, 3B including openings 30A, 30B, and a first electrode 4 and a second electrode 5 disposed within the opening 30A (30B). The first electrode 4 is disposed at a position where the strength of an electric field becomes maximum, along an electric power line thereof, and the second electrode 5 is disposed at a position where the strength of a magnetic field becomes maximum, so as to shield a magnetic power line thereof. By removing the first electrode 4 with laser light, the resonant frequency can be increased and by shaving the second electrode 5, the resonant frequency can be decreased.;COPYRIGHT: (C)2007,JPO&INPIT
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