发明名称 |
Filtering device and circuit module |
摘要 |
A filtering device is disclosed that can be made compact and has wide-band band-pass characteristics. The filtering device includes a first filtering unit that is composed of a distributed constant circuit and is capable of eliminating a first frequency component or a second frequency component wherein the second frequency being higher than the first frequency, and a second filtering unit that attenuates components of frequencies lower than the first frequency or components of frequencies higher than the second frequency.
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申请公布号 |
US7528687(B2) |
申请公布日期 |
2009.05.05 |
申请号 |
US20050106639 |
申请日期 |
2005.04.15 |
申请人 |
FUJITSU COMPONENT LIMITED;TOKYO INSTITUTE OF TECHNOLOGY |
发明人 |
INOUE HIROTO;KURASHIMA SHIGEMI;UCHIYAMA TAKUYA;YANAGI MASAHIRO;ARITA TAKASHI;ARAKI KIYOMICHI;ISHIDA HITOSHI |
分类号 |
H01P3/08;H01P1/203;H01P5/02;H01P7/08 |
主分类号 |
H01P3/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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