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    • 1. 发明授权
    • Laminate type band pass filter and diplexer using the same
    • 层叠型带通滤波器和使用其的双工器
    • US07902941B2
    • 2011-03-08
    • US12111395
    • 2008-04-29
    • Syouji OnoTetsuo SuehiroJyunichi IchikawaKeiji TakagiManabu Sato
    • Syouji OnoTetsuo SuehiroJyunichi IchikawaKeiji TakagiManabu Sato
    • H01P1/203H01P1/213
    • H01P1/20345
    • It is possible to generate an additionally attenuation pole in a laminate type band pass filter without adding an attenuation circuit and improve the attenuation characteristics of the laminate type band pass filter by independently controlling the frequencies of the attenuation poles. A diplexer is realized by using at least such a filter. The laminate type band pass filter includes a plurality of first resonators adapted to resonate in a predetermined pass band and arranged in a laminate, the first resonators being mutually electromagnetic field coupled, each of the first resonators having a first inductor conductor, a second inductor conductor and a conductor to be capacitive-coupled to a grounding conductor, the second inductor conductor and the conductor to be capacitive-coupled to the grounding conductor forming a second serial resonator in each of the first resonators, the notch frequency of the second serial resonator being set in a frequency band higher than the resonance frequency band of the first resonator.
    • 通过独立地控制衰减极的频率,可以在不添加衰减电路的层叠型带通滤波器中产生额外的衰减极,并提高层叠型带通滤波器的衰减特性。 通过使用至少这种滤波器来实现双工器。 层叠型带通滤波器包括多个第一谐振器,其适于以预定通带谐振并且布置在层压体中,第一谐振器是相互电磁场耦合的,每个第一谐振器具有第一电感器导体,第二电感器导体 以及电容耦合到接地导体的导体,所述第二电感器导体和所述导体将被电容耦合到所述接地导体,在所述第一谐振器中的每一个中形成第二串联谐振器,所述第二串联谐振器的陷波频率为 设置在比第一谐振器的谐振频带高的频带中。
    • 3. 发明申请
    • LAMINATE TYPE BAND PASS FILTER AND DIPLEXER USING THE SAME
    • 层压型带通滤芯和使用它的DIPLEX
    • US20080272855A1
    • 2008-11-06
    • US12111395
    • 2008-04-29
    • Syouji OnoTetsuo SuehiroJyunichi IchikawaKeiji TakagiManabu Sato
    • Syouji OnoTetsuo SuehiroJyunichi IchikawaKeiji TakagiManabu Sato
    • H01P1/213H03H7/01
    • H01P1/20345
    • It is possible to generate an additionally attenuation pole in a laminate type band pass filter without adding an attenuation circuit and improve the attenuation characteristics of the laminate type band pass filter by independently controlling the frequencies of the attenuation poles. A diplexer is realized by using at least such a filter. The laminate type band pass filter includes a plurality of first resonators adapted to resonate in a predetermined pass band and arranged in a laminate, the first resonators being mutually electromagnetic field coupled, each of the first resonators having a first inductor conductor, a second inductor conductor and a conductor to be capacitive-coupled to a grounding conductor, the second inductor conductor and the conductor to be capacitive-coupled to the grounding conductor forming a second serial resonator in each of the first resonators, the notch frequency of the second serial resonator being set in a frequency band higher than the resonance frequency band of the first resonator.
    • 通过独立地控制衰减极的频率,可以在不添加衰减电路的层叠型带通滤波器中产生额外的衰减极,并提高层叠型带通滤波器的衰减特性。 通过使用至少这种滤波器来实现双工器。 层叠型带通滤波器包括多个第一谐振器,其适于以预定通带谐振并且布置在层压体中,第一谐振器是相互电磁场耦合的,每个第一谐振器具有第一电感器导体,第二电感器导体 以及电容耦合到接地导体的导体,所述第二电感器导体和所述导体将被电容耦合到所述接地导体,在所述第一谐振器中的每一个中形成第二串联谐振器,所述第二串联谐振器的陷波频率为 设置在比第一谐振器的谐振频带高的频带中。