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    • 1. 发明授权
    • Nonreciprocal circuit device and communication apparatus
    • 不可逆电路装置及通讯装置
    • US06639500B2
    • 2003-10-28
    • US09826796
    • 2001-04-05
    • Toshihiro MakinoHiroki DejimaTakashi KawanamiToshihiro Yamamoto
    • Toshihiro MakinoHiroki DejimaTakashi KawanamiToshihiro Yamamoto
    • H01F500
    • H01P1/387
    • The present invention provides a nonreciprocal circuit device which allows the relationship between the input and the output to be reversed using the identical terminal layout on a mounting substrate, only by preparing for a single type of nonreciprocal circuit device, and also provides a communication apparatus using this nonreciprocal circuit device. In this reciprocal circuit device, a plurality of centeral conductors are disposed on a ferrite on which DC magnetic field is to be applied, in a state of intersecting one another, matching capacitors are each connected between the ports of the centeral conductors and grounds, and a terminating resistor is connected between a predetermined port and a ground. In a resin case 7, input/output terminals which are conductively connected to the respective ports are disposed at substantially rotation-symmetrical positions with respect to the center of the bottom surface of the resin case.
    • 本发明提供了一种不可逆电路装置,其仅通过为单一类型的不可逆电路装置做准备,从而能够使用安装基板上的相同端子布局使输入和输出之间的关系反转,并且还提供使用 这种不可逆电路装置。 在这种互逆电路装置中,在彼此相交的状态下,在要施加直流磁场的铁氧体上设置多个中心导体,匹配电容器分别连接在中心导体和接地的端口之间,以及 终端电阻连接在预定端口和地之间。 在树脂壳体7中,导电性地连接到各个端口的输入/输出端子相对于树脂壳体的底面的中心大致旋转对称的位置。
    • 7. 发明授权
    • Nonreciprocal circuit device with a dielectric film between the magnet and substrate
    • 不可逆电路器件,在磁体和衬底之间具有介电膜
    • US06222425B1
    • 2001-04-24
    • US09281496
    • 1999-03-30
    • Takekazu OkadaToshihiro MakinoTakashi KawanamiTakashi Hasegawa
    • Takekazu OkadaToshihiro MakinoTakashi KawanamiTakashi Hasegawa
    • H01P1383
    • H01P1/387
    • A nonreciprocal circuit device having a circuit element on a dielectric substrate providing at least part of a low-pass filter, the nonreciprocal circuit device having less interference and irregular operation caused by spurious radiation, and in addition, with reduced insertion loss. A lumped constant isolator (an example of a nonreciprocal circuit device) includes a magnet provided for applying a DC magnetic field to a magnetic assembly, which in turn has multiple intersecting central electrodes provided adjacent to a ferrite body. A dielectric substrate is disposed in between the permanent magnet and the magnetic assembly. An inductor forming part of a &pgr;-type low-pass filter is provided as an example of a circuit element on the dielectric substrate, a dielectric layer or film being disposed between the dielectric substrate and the magnet.
    • 一种不可逆电路装置,其具有提供低通滤波器的至少一部分的电介质基板上的电路元件,该不可逆电路装置具有较少的干扰和由杂散辐射引起的不规则操作,此外,具有减小的插入损耗。 集总常数隔离器(不可逆电路器件的示例)包括用于向磁性组件施加DC磁场的磁体,磁体组件又具有邻近铁氧体的多个相交中心电极。 电介质基板设置在永磁体和磁性组件之间。 作为电介质基板上的电路元件的一个例子,设置了形成pi型低通滤波器的一部分的电感器,介电层或膜设置在电介质基片和磁体之间。