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51. 发明授权

US06856213B2 High frequency composite switch module 失效
标题翻译：高频复合开关模块
公开(公告)号：US06856213B2
公开(公告)日：2005-02-15
申请号：US10148699
申请日：2001-10-05
申请人： Tetsuya Tsurunari , Yuki Satoh , Yoshiharu Omori
发明人： Tetsuya Tsurunari , Yuki Satoh , Yoshiharu Omori
IPC分类号： H01L23/12 , H01L25/00 , H03H7/46 , H03H9/25 , H03H9/72 , H04B1/44 , H04B1/48
CPC分类号： H03H7/465 , H03H9/02952 , H03H9/0538 , H03H9/0576 , H03H9/72 , H03H9/725 , H03H2250/00 , H04B1/48
摘要： A radio frequency (RF) hybrid switch module includes an antenna duplexer integrated with a surface acoustic wave (SAW) filter used in a mobile communication device such as a cellular phone. The switch module handles a transmitted signal and received signal of different frequency bands. A parasitic inductance due to a mounting of the SAW filter is reduced, so that an attenuation characteristic at a low frequency of the SAW filter is improved. The RF hybrid switch module includes: a dividing circuit; a switching circuit; a low pass filter (LPF); an electrode for forming at least a portion of the dividing circuit, switching circuit, and the LPF; a laminated body including a dielectric layer having the electrode formed thereon; a SAW filter which is mounted on the laminated body, corresponds to plural frequency bands, and has a grounding port; a diode mounted on the laminated body for forming a portion the switching circuit, a grounding electrode formed in the laminated body, and a via-conductor directly connecting the grounding port of the SAW filter.
摘要翻译：射频（RF）混合开关模块包括与在诸如蜂窝电话的移动通信设备中使用的表面声波（SAW）滤波器集成的天线双工器。交换机模块处理发送信号和接收不同频带的信号。降低了由于SAW滤波器的安装引起的寄生电感，从而提高了SAW滤波器的低频衰减特性。 RF混合开关模块包括：分频电路; 开关电路; 低通滤波器（LPF）; 用于形成分割电路，开关电路和LPF的至少一部分的电极; 包括其上形成有电极的电介质层的层叠体; 安装在层叠体上的SAW滤波器对应于多个频带，并具有接地端口; 安装在层叠体上的二极管，用于形成开关电路的一部分，形成在层叠体中的接地电极和直接连接SAW滤波器的接地端口的通孔导体。

52. 发明授权

US08723620B2 Antenna sharer with a ladder filter 有权
标题翻译：天线分享器与梯形滤波器
公开(公告)号：US08723620B2
公开(公告)日：2014-05-13
申请号：US13265338
申请日：2010-04-21
申请人： Kazunori Nishimura , Toru Jibu , Tetsuya Tsurunari
发明人： Kazunori Nishimura , Toru Jibu , Tetsuya Tsurunari
IPC分类号： H03H9/00 , H01P5/12
CPC分类号： H03H9/1452 , H03H9/008 , H03H9/02803 , H03H9/14526 , H03H9/643 , H03H9/6456 , H03H9/6479 , H03H9/725
摘要： An antenna sharer with both low loss and sharp attenuation characteristic in a wide band is achieved. Antennal sharer 1 of the present invention includes first filter 3 for passing a signal in the first frequency band, and second filter 4 for passing a signal in the second frequency band higher than the first frequency band. First filter 3 includes a ladder filter that includes first series resonator 6 and second series resonator 7 with an antiresonant frequency point higher than antiresonant frequency of first series resonator. Electromechanical coupling coefficient of first series resonator 6 is smaller than electromechanical coupling coefficient of second series resonator 7.
摘要翻译：实现了在宽带中具有低损耗和尖锐衰减特性的天线共享器。本发明的天线共享器1包括用于使第一频带中的信号通过的第一滤波器3和用于使比第一频带高的第二频带中的信号通过的第二滤波器4。第一滤波器3包括梯形滤波器，其包括具有比第一串联谐振器的反谐振频率高的反谐振频率点的第一串联谐振器6和第二串联谐振器7。第一串联谐振器6的机电耦合系数小于第二串联谐振器7的机电耦合系数。

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