发明名称 |
Bandpass filter having magnetically coupled resonators |
摘要 |
A bandpass filter comprising a plurality of resonators coupled by a magnetic induction coupling. Each of the resonators includes an equivalent circuit having an LC series circuit and a capacitance element connected in parallel, the LC series circuit including one capacitance element and two inductance elements connected in series to both sides of the one capacitance element. This construction realizes the magnetic induction coupling by utilizing the inductance elements constituting the resonators, without necessitating a separate coupling means such as a capacitance element.
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申请公布号 |
US4894629(A) |
申请公布日期 |
1990.01.16 |
申请号 |
US19870021051 |
申请日期 |
1987.03.02 |
申请人 |
MURATA MANUFACTURING CO., LTD. |
发明人 |
OKAMURA, HISATAKE;TSURU, TERUHISA;KAWAGUCHI, MASAHIKO |
分类号 |
H03H7/09 |
主分类号 |
H03H7/09 |
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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