发明授权
- 专利标题: Non-reciprocal circuit element
- 专利标题(中): 不可逆电路元件
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申请号: US766019申请日: 1996-12-13
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公开(公告)号: US5821830A公开(公告)日: 1998-10-13
- 发明人: Takashi Hasegawa
- 申请人: Takashi Hasegawa
- 申请人地址: JPX
- 专利权人: Murata Manufacturing Co., Ltd.
- 当前专利权人: Murata Manufacturing Co., Ltd.
- 当前专利权人地址: JPX
- 优先权: JPX7-324834 19951213; JPX7-329080 19951218; JPX8-328418 19961209
- 主分类号: H01P1/36
- IPC分类号: H01P1/36 ; H01P1/383 ; H01P1/387 ; H01P11/00
摘要:
A non-reciprocal circuit element which meets the demand for a reduced size and a lower price. A circulator, which is a type of non-reciprocal circuit element, is constituted by a first central electrode and a second central electrode which are disposed on a main surface of a ferrite member so that they intersect with each other while being electrically insulated from each other; a first input/output port and a second input/output port which are connected to corresponding first ends of the aforesaid two central electrodes and a third input/output port which is connected in common to second ends of the two central electrodes; two matching capacitors connected between the first and second I/O ports, respectively, and the third I/O port; and a magnetic circuit for applying a DC magnetic field to the aforesaid ferrite member.
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