Invention Grant
US08704619B2 Bandpass filter and radio communication module and radio communication device using the same 有权
带通滤波器和无线电通信模块以及使用其的无线电通信装置

Bandpass filter and radio communication module and radio communication device using the same
Abstract:
Provided are a bandpass filter and a radio communication module and a radio communication device using the same. The bandpass filter includes: a first and a second grounding electrode arranged on the upper and the lower surface of a layered body; first resonance electrodes and second resonance electrodes arranged to orthogonally intersect the first resonance electrodes; a first input coupling electrode opposing to the first resonance electrode of the input stage and a second input coupling electrode connected thereto and opposing to the second resonance electrode of the input stage; a first output coupling electrode opposing to the first resonance electrode of the output stage and a second output coupling electrode connected thereto and opposing to the second resonance electrode of the output stage.
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