发明申请
- 专利标题： Balanced output filter
- 专利标题（中）： 平衡输出滤波器
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申请号： US11114128申请日： 2005-04-26
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公开(公告)号： US20050242903A1公开(公告)日： 2005-11-03
- 发明人: Shogo Inoue , Motoyuki Tajima , Takayuki Yamaji , Yasufumi Kaneda , Osamu Kawachi , Masanori Ueda
- 申请人： Shogo Inoue , Motoyuki Tajima , Takayuki Yamaji , Yasufumi Kaneda , Osamu Kawachi , Masanori Ueda
- 专利权人： FUJITSU MEDIA DEVICES LIMITED,FUJITSU LIMITED
- 当前专利权人： FUJITSU MEDIA DEVICES LIMITED,FUJITSU LIMITED
- 优先权： JP2004-134388 20040428
- 主分类号： H03H9/25
- IPC分类号： H03H9/25 ; H03H9/00 ; H03H9/05 ; H03H9/64
摘要：
A balanced filter includes a package having an input ground metal pattern and an output ground metal pattern, and a filter chip having an inphase filter and an antiphase filter, which filters are mounted on the package, at least one of the inphase and antiphase filters having an input ground terminal connected to the input ground metal pattern and an output ground terminal connected to the output ground metal pattern, the input and output ground terminals of said at least one of the inphase and antiphase filters being separate from each other on the filter chip.
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