发明名称 |
High frequency band-pass filter |
摘要 |
A high frequency band-pass filter which includes a single resonator or a plurality of resonators adapted to pass a high frequency signal of a predetermined frequency band region, and an active element device electrically coupled with one or the plurality of the resonators so as to present a negative resistance when the resonator is in a resonant state.
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申请公布号 |
US4816788(A) |
申请公布日期 |
1989.03.28 |
申请号 |
US19870068439 |
申请日期 |
1987.06.30 |
申请人 |
MURATA MANUFACTURING CO., LTD. |
发明人 |
ISHIKAWA, YOUHEI;TANAKA, HIROAKI |
分类号 |
H01P1/203;(IPC1-7):H01P1/203;H01P1/205;H03H11/10 |
主分类号 |
H01P1/203 |
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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