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    • 1. 发明授权
    • Multiple-mode filter for radio frequency integrated circuits
    • 射频集成电路用多模滤波器
    • US09373876B2
    • 2016-06-21
    • US13881573
    • 2011-10-27
    • Kai Xue MaKok Meng LimKiat Seng YeoJian-guo Ma
    • Kai Xue MaKok Meng LimKiat Seng YeoJian-guo Ma
    • H01P1/205H01P1/203H04B3/21
    • H01P1/203H01P1/20327H01P1/20336H01P1/20363H04B3/21
    • A fully integrated silicon-based bandpass filter which lends itself to applications in the gigahertz region is disclosed. The bandpass filter is fabricated on an integrated circuit and operates as a microwave/millimeter-wave filtering circuit. In accordance with one aspect, the bandpass filter includes a first set and a second set of filter coupled elements, a three-port “T” transmission line junction and a perturbing element. The three-port “T” transmission line junction has a first port coupled to a first end of a first one of the first set of filter coupled elements and a second port coupled to a first end of a first one of the second set of filter coupled elements. The perturbing element is coupled to a third port of the three-port “T” transmission line junction. A second one of the first set of filter coupled elements includes an input transmission line and has a first end thereof coupled to an input port and an opposite end thereof having an open end. A second one of the second set of filter coupled elements includes an output transmission line and has a first end thereof coupled to an output port and an opposite end thereof having an open end.
    • 公开了一种完全集成的硅基带通滤波器,适用于千兆赫兹区域的应用。 带通滤波器在集成电路上制造,并作为微波/毫米波滤波电路工作。 根据一个方面,带通滤波器包括第一组和第二组滤波器耦合元件,三端口“T”传输线结和扰动元件。 三端口“T”传输线路连接点具有耦合到第一组滤波器耦合元件中的第一端的第一端的第一端口和耦合到第二组滤波器的第一端的第一端的第二端口 耦合元素。 扰动元件耦合到三端口“T”传输线路结的第三端口。 第一组滤波器耦合元件中的第二组件包括输入传输线,并且其第一端耦合到具有开口端的输入端口和相对端。 第二组滤波器耦合元件中的第二组件包括输出传输线,并且其第一端耦合到输出端口,并且其相对端具有开口端。
    • 2. 发明申请
    • Multiple-Mode Filter for Radio Frequency Integrated Circuits
    • 射频集成电路多模滤波器
    • US20140035703A1
    • 2014-02-06
    • US13881573
    • 2011-10-27
    • Kai Xue MaKok Meng LimKiat Seng YeoJian-guo Ma
    • Kai Xue MaKok Meng LimKiat Seng YeoJian-guo Ma
    • H01P1/203
    • H01P1/203H01P1/20327H01P1/20336H01P1/20363H04B3/21
    • A fully integrated silicon-based bandpass filter which lends itself to applications in the gigahertz region is disclosed. The bandpass filter is fabricated on an integrated circuit and operates as a microwave/millimeter-wave filtering circuit. In accordance with one aspect, the bandpass filter includes a first set and a second set of filter coupled elements, a three-port “T” transmission line junction and a perturbing element. The three-port “T” transmission line junction has a first port coupled to a first end of a first one of the first set of filter coupled elements and a second port coupled to a first end of a first one of the second set of filter coupled elements. The perturbing element is coupled to a third port of the three-port “T” transmission line junction. A second one of the first set of filter coupled elements includes an input transmission line and has a first end thereof coupled to an input port and an opposite end thereof having an open end. A second one of the second set of filter coupled elements includes an output transmission line and has a first end thereof coupled to an output port and an opposite end thereof having an open end.
    • 公开了一种完全集成的硅基带通滤波器,适用于千兆赫兹区域的应用。 带通滤波器在集成电路上制造,并作为微波/毫米波滤波电路工作。 根据一个方面,带通滤波器包括第一组和第二组滤波器耦合元件,三端口“T”传输线结和扰动元件。 三端口“T”传输线路连接点具有耦合到第一组滤波器耦合元件中的第一端的第一端的第一端口和耦合到第二组滤波器的第一端的第一端的第二端口 耦合元素。 扰动元件耦合到三端口“T”传输线路结的第三端口。 第一组滤波器耦合元件中的第二组件包括输入传输线,并且其第一端耦合到具有开口端的输入端口和相对端。 第二组滤波器耦合元件中的第二组件包括输出传输线,并且其第一端耦合到输出端口,并且其相对端具有开口端。
    • 7. 发明申请
    • Miniaturized Passive Low Pass Filter
    • 小型化被动低通滤波器
    • US20130328642A1
    • 2013-12-12
    • US13879885
    • 2010-10-18
    • Kai Xue MaShouxian MouKiat Seng Yeo
    • Kai Xue MaShouxian MouKiat Seng Yeo
    • H03H7/01
    • H03H7/0138H03H7/09H03H7/1725H03H7/1791H03H2001/0064H03H2001/0078
    • A low pass filter circuit (100) structure is provided. The low pass filter circuit structure includes first and second dominant inductor (114, 116)s, a first capacitor (120) and first and second shunt capacitors (122, 124). The first dominant inductor has a first end and a second end and the second dominant inductor has a first end and a second end. The second end of the first dominant inductor is electrically connected to the second end of the second dominant inductor. The first capacitor is electrically coupled between the first end of the first dominant inductor and the first end of the second dominant inductor. The first shunt capacitor is electrically coupled between the first end of the first dominant inductor and a ground potential, and the second shunt capacitor is electrically coupled between the first end of the second dominant inductor and the group potential. The first dominant inductor and the second dominant inductor are further coupled by one or both of magnetic coupling and parasitic mutual capacitive coupling.
    • 提供了低通滤波器电路(100)结构。 低通滤波器电路结构包括第一和第二主电感器(114,116),第一电容器(120)和第一和第二并联电容器(122,124)。 第一主电感器具有第一端和第二端,而第二主电感具有第一端和第二端。 第一主电感器的第二端电连接到第二主电感器的第二端。 第一电容器电耦合在第一主电感器的第一端和第二主电感器的第一端之间。 第一并联电容器电耦合在第一主电感器的第一端和接地电位之间,并且第二并联电容器电耦合在第二主导电感器的第一端和组电位之间。 第一主电感器和第二主电感器进一步通过磁耦合和寄生互电容耦合中的一个或两个耦合。
    • 10. 发明授权
    • Miniaturized passive low pass filter
    • 小型化无源低通滤波器
    • US09154104B2
    • 2015-10-06
    • US13879885
    • 2010-11-02
    • Kai Xue MaShouxian MouKiat Seng Yeo
    • Kai Xue MaShouxian MouKiat Seng Yeo
    • H03H7/18H03H7/30H03H7/01H03H7/09H03H1/00
    • H03H7/0138H03H7/09H03H7/1725H03H7/1791H03H2001/0064H03H2001/0078
    • A low pass filter circuit (100) structure is provided. The low pass filter circuit structure includes first and second dominant inductor (114, 116)s, a first capacitor (120) and first and second shunt capacitors (122, 124). The first dominant inductor has a first end and a second end and the second dominant inductor has a first end and a second end. The second end of the first dominant inductor is electrically connected to the second end of the second dominant inductor. The first capacitor is electrically coupled between the first end of the first dominant inductor and the first end of the second dominant inductor. The first shunt capacitor is electrically coupled between the first end of the first dominant inductor and a ground potential, and the second shunt capacitor is electrically coupled between the first end of the second dominant inductor and the group potential. The first dominant inductor and the second dominant inductor are further coupled by one or both of magnetic coupling and parasitic mutual capacitive coupling.
    • 提供了低通滤波器电路(100)结构。 低通滤波器电路结构包括第一和第二主电感器(114,116),第一电容器(120)和第一和第二并联电容器(122,124)。 第一主电感器具有第一端和第二端,而第二主电感具有第一端和第二端。 第一主电感器的第二端电连接到第二主电感器的第二端。 第一电容器电耦合在第一主电感器的第一端和第二主电感器的第一端之间。 第一并联电容器电耦合在第一主电感器的第一端和接地电位之间,并且第二并联电容器电耦合在第二主导电感器的第一端和组电位之间。 第一主电感器和第二主电感器进一步通过磁耦合和寄生互电容耦合中的一个或两个耦合。