DUPLEXER WITH SHIELDING BONDWIRES BETWEEN FILTERS
    2.
    发明申请
    DUPLEXER WITH SHIELDING BONDWIRES BETWEEN FILTERS 审中-公开
    过滤器之间具有屏蔽粘合剂的双面器

    公开(公告)号:US20130043961A1

    公开(公告)日:2013-02-21

    申请号:US13209499

    申请日:2011-08-15

    CPC classification number: H03H9/0566

    Abstract: A duplexer includes first and second filters, and a first shielding bondwire. The first filter includes a first bondwire connecting the first filter to a printed circuit board, the first bondwire forming a portion of a first virtual loop having a first virtual area, where first current passing through the first bondwire generates a first magnetic field. The second filter includes a second bondwire connecting the second filter to the printed circuit, the second bondwire forming a portion of a second virtual loop having a second virtual area. The first shielding bondwire includes first and second ends connected to a conductor of the printed circuit board to form a closed electrical first shielding loop having a corresponding first shielding area. The magnetic field induces shielding current in the first shielding loop, which generates a first compensating magnetic field that attenuates the first magnetic field.

    Abstract translation: 双工器包括第一和第二滤波器以及第一屏蔽接合线。 第一滤波器包括将第一滤波器连接到印刷电路板的第一接合线,第一接合线形成具有第一虚拟区域的第一虚拟环路的一部分,其中通过第一接合线的第一电流产生第一磁场。 第二过滤器包括将第二过滤器连接到印刷电路的第二接合线,第二接合线形成具有第二虚拟区域的第二虚拟环路的一部分。 第一屏蔽接合线包括连接到印刷电路板的导体的第一和第二端,以形成具有对应的第一屏蔽区域的封闭的电气第一屏蔽环路。 该磁场在第一屏蔽环路中产生屏蔽电流,其产生使第一磁场衰减的第一补偿磁场。

    Coupled resonator filter with a filter section
    3.
    发明授权
    Coupled resonator filter with a filter section 失效
    带滤波器的耦合谐振滤波器

    公开(公告)号:US08258894B2

    公开(公告)日:2012-09-04

    申请号:US11756571

    申请日:2007-05-31

    CPC classification number: H03H9/0095 H03H9/584 H03H9/589 H03H9/605 Y10T29/42

    Abstract: A bulk acoustic wave (BAW) filter device includes a first port, a second port, a first coupled resonator filter stage, a second coupled resonator filter stage and a filter section. The first coupled resonator filter stage includes a first BAW resonator connected to the first port and a second BAW resonator acoustically coupled to the first BAW resonator. The second coupled resonator filter stage includes a third BAW resonator connected to the second port and a fourth BAW resonator acoustically coupled to the third BAW resonator. The filter section includes a fifth BAW resonator, the fifth BAW resonator connected between the second BAW resonator and the fourth BAW resonator.

    Abstract translation: 体声波(BAW)滤波器装置包括第一端口,第二端口,第一耦合谐振器滤波器级,第二耦合谐振器滤波器级和滤波器部分。 第一耦合谐振器滤波器级包括连接到第一端口的第一BAW谐振器和声耦合到第一BAW谐振器的第二BAW谐振器。 第二耦合谐振器滤波器级包括连接到第二端口的第三BAW谐振器和声耦合到第三BAW谐振器的第四BAW谐振器。 滤波器部分包括第五个BAW谐振器,第五个BAW谐振器连接在第二个BAW谐振器和第四个BAW谐振器之间。

    Acoustic Resonator
    6.
    发明申请
    Acoustic Resonator 有权
    声谐振器

    公开(公告)号:US20080055020A1

    公开(公告)日:2008-03-06

    申请号:US11513895

    申请日:2006-08-31

    CPC classification number: H03H9/585 H03H9/0095 H03H9/589 H03H9/605

    Abstract: An acoustic resonator is described, the acoustic resonator comprising a stack of a first and a second piezoelectric body, wherein said first and second piezoelectric bodies have substantially the same spatial piezoelectric orientation, an intermediate intermediate electrode being arranged between said first and said second piezoelectric body forming a first terminal of said acoustic resonator, and first and second electrodes, wherein said first electrode is arranged such that said first piezoelectric body is arranged between said first electrode and said intermediate electrode, wherein said second electrode is arranged such that said second piezoelectric body is arranged between said second electrode and said intermediate electrode, and wherein said first and said second electrode are electrically connected to each other forming a second terminal of said acoustic resonator.

    Abstract translation: 描述了声谐振器,声谐振器包括第一和第二压电体的堆叠,其中所述第一和第二压电体具有基本上相同的空间压电取向,中间中间电极设置在所述第一和第二压电体之间 形成所述声谐振器的第一端子,以及第一和第二电极,其中所述第一电极被布置成使得所述第一压电体布置在所述第一电极和所述中间电极之间,其中所述第二电极被布置成使得所述第二压电体 布置在所述第二电极和所述中间电极之间,并且其中所述第一和所述第二电极彼此电连接,形成所述声共振器的第二端子。

    BAW duplexer without phase shifter
    7.
    发明申请
    BAW duplexer without phase shifter 有权
    BAW双工器无移相器

    公开(公告)号:US20070080756A1

    公开(公告)日:2007-04-12

    申请号:US11246996

    申请日:2005-10-07

    CPC classification number: H03H9/706

    Abstract: A duplexer for connection with an antenna comprises an antenna port, a transmitting filter comprising bulk acoustic wave (BAW) resonators having a first antenna side impedance coupled with the antenna port, a receiving filter comprising BAW resonators having a second antenna side impedance coupled with the antenna port, and a shunt inductance coupled between the antenna port and ground. The shunt inductance and the first and second antenna side impedances of the transmitting filter and the receiving filter are selected in such a way that the shunt inductance turns the first and second input impedance in a negative direction in a Smith diagram.

    Abstract translation: 用于与天线连接的双工器包括天线端口,发射滤波器,包括具有与天线端口耦合的第一天线侧阻抗的体声波(BAW)谐振器,接收滤波器,包括具有与第二天线侧阻抗耦合的第二天线侧阻抗的BAW谐振器 天线端口和耦合在天线端口和地之间的并联电感。 选择发射滤波器和接收滤波器的并联电感和第一和第二天线侧阻抗,使得并联电感在史密斯图中将负的第一和第二输入阻抗转变成负方向。

    Duplexer with negative phase shifting circuit
    9.
    发明授权
    Duplexer with negative phase shifting circuit 失效
    具有负相移电路的双工器

    公开(公告)号:US08193877B2

    公开(公告)日:2012-06-05

    申请号:US12627122

    申请日:2009-11-30

    CPC classification number: H04B1/52 H03H7/19 H03H9/706 H04B1/0057 H04B1/18

    Abstract: A duplexer includes first and second acoustic filters and a phase shifter. The first acoustic filter is connected between an antenna and the transmitter, and has a first passband. The second acoustic filter is connected between the antenna and the receiver, and has a second passband. The phase shifter includes at least one series capacitor connected in series with the antenna and at least one shunt inductor connected between the at least one capacitor and ground. The phase shifter is connected between the antenna and the first filter when the first passband is higher than the second passband, and provides a negative phase shift of an output impedance of the first filter. The phase shifter is connected between the antenna and the second filter when the second passband is higher than the first passband, and provides a negative phase shift of an input impedance of the second filter.

    Abstract translation: 双工器包括第一和第二声滤波器和移相器。 第一声​​滤波器连接在天线和发射机之间,并且具有第一通带。 第二声滤波器连接在天线和接收机之间,并具有第二通带。 移相器包括与天线串联连接的至少一个串联电容器和连接在至少一个电容器和地之间的至少一个并联电感器。 当第一通带高于第二通带时,移相器连接在天线和第一滤波器之间,并且提供第一滤波器的输出阻抗的负相移。 当第二通带高于第一通带时,移相器连接在天线和第二滤波器之间,并且提供第二滤波器的输入阻抗的负相移。

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