BULK ACOUSTIC WAVE RESONATOR FILTER BEING DIGITALLY RECONFIGURABLE, WITH PROCESS
    2.
    发明申请
    BULK ACOUSTIC WAVE RESONATOR FILTER BEING DIGITALLY RECONFIGURABLE, WITH PROCESS 有权
    大容量波形谐振器滤波器数字可重新配置,具有过程

    公开(公告)号:US20090251235A1

    公开(公告)日:2009-10-08

    申请号:US12371415

    申请日:2009-02-13

    IPC分类号: H03H9/02

    CPC分类号: H03H9/605 H03H9/542

    摘要: A filtering circuit with BAW type acoustic resonators having at least a first quadripole and a second quadripole connected in cascade, each quadripole having a branch series with a first acoustic resonator of type BAW and a branch parallel with each branch having an acoustic resonator of type BAW, the first acoustic resonator having a frequency of resonance series approximately equal to the frequency of parallel resonance of the second acoustic resonator, the branch parallel of the first quadripole having a first capacitance connected in series with the second resonator and, in parallel with the capacitance, a first switching transistor to short circuit the capacitance.

    摘要翻译: 具有至少具有级联连接的第一四极和第二四极的BAW型声谐振器的滤波电路,每个四极具有与BAW类型的第一声谐振器的分支系列和与具有BAW型声谐振器的每个分支并联的分支 所述第一声谐振器具有大致等于所述第二声谐振器的并联谐振频率的共振频率,所述第一四极杆的分支并联具有与所述第二谐振器串联连接的第一电容器,并且与所述电容器 第一个开关晶体管使电容短路。

    Bulk acoustic wave resonator filter being digitally reconfigurable, with process
    3.
    发明授权
    Bulk acoustic wave resonator filter being digitally reconfigurable, with process 有权
    具有数字可重构的体声波谐振器滤波器,具有过程

    公开(公告)号:US08665038B2

    公开(公告)日:2014-03-04

    申请号:US12371415

    申请日:2009-02-13

    IPC分类号: H03H9/54 H04B1/10 H04B1/40

    CPC分类号: H03H9/605 H03H9/542

    摘要: A filtering circuit with BAW type acoustic resonators having at least a first quadripole and a second quadripole connected in cascade, each quadripole having a branch series with a first acoustic resonator of type BAW and a branch parallel with each branch having an acoustic resonator of type BAW, the first acoustic resonator having a frequency of resonance series approximately equal to the frequency of parallel resonance of the second acoustic resonator, the branch parallel of the first quadripole having a first capacitance connected in series with the second resonator and, in parallel with the capacitance, a first switching transistor to short circuit the capacitance.

    摘要翻译: 具有至少具有级联连接的第一四极和第二四极的BAW型声谐振器的滤波电路,每个四极具有与BAW类型的第一声谐振器的分支系列和与具有BAW型声谐振器的每个分支并联的分支 所述第一声谐振器具有大致等于所述第二声谐振器的并联谐振频率的共振频率,所述第一四极杆的分支并联具有与所述第二谐振器串联连接的第一电容器,并且与所述电容器 第一个开关晶体管使电容短路。