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公开(公告)号：US09100079B2
公开(公告)日：2015-08-04
申请号：US14144593
申请日：2013-12-31
Applicant: MEDIATEK INC.
Inventor： Chia-Hsin Wu , Hui-Hsien Liu , Chien-Cheng Lin , Albert Chia-Wen Jerng , George Chien
CPC classification number: H04B1/10 , H03F1/34 , H03F3/24 , H04B1/401 , H04B2001/0433
Abstract: A transceiver includes: a first transforming network arranged for using a first input impedance to receive a first modulated signal and using a first output impedance to output a first transformed signal during a transmitting mode of a first communication standard, and for using the first input impedance to receive a second modulated signal and using a second output impedance to output a second transformed signal during the transmitting mode of a second communication standard; a second transforming network arranged for using a second input impedance to receive the second transformed signal and using a third output impedance to output a first RF signal to a connecting port of the transceiver during the transmitting mode of the second communication standard; a power amplifier, arranged to generate a second RF signal; and a switching circuit for selectively coupling the second transformed signal to the second transforming network.
Abstract translation: 收发器包括：第一变换网络，被布置成使用第一输入阻抗来接收第一调制信号，并且使用第一输出阻抗在第一通信标准的发送模式期间输出第一变换信号，并且使用第一输入阻抗 接收第二调制信号并使用第二输出阻抗在第二通信标准的发送模式期间输出第二变换信号; 布置成在第二通信标准的发送模式期间使用第二输入阻抗来接收第二变换信号并使用第三输出阻抗将第一RF信号输出到收发器的连接端口的第二变换网络; 功率放大器，被布置成产生第二RF信号; 以及用于选择性地将第二变换信号耦合到第二变换网络的开关电路。
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公开(公告)号：US20140295774A1
公开(公告)日：2014-10-02
申请号：US14144593
申请日：2013-12-31
Applicant: MEDIATEK INC.
Inventor： Chia-Hsin Wu , Hui-Hsien Liu , Chien-Cheng Lin , Albert Chia-Wen Jerng , George Chien
IPC: H04B1/40
CPC classification number: H04B1/10 , H03F1/34 , H03F3/24 , H04B1/401 , H04B2001/0433
Abstract: A transceiver includes: a first transforming network arranged for using a first input impedance to receive a first modulated signal and using a first output impedance to output a first transformed signal during a transmitting mode of a first communication standard, and for using the first input impedance to receive a second modulated signal and using a second output impedance to output a second transformed signal during the transmitting mode of a second communication standard; a second transforming network arranged for using a second input impedance to receive the second transformed signal and using a third output impedance to output a first RF signal to a connecting port of the transceiver during the transmitting mode of the second communication standard; a power amplifier, arranged to generate a second RF signal; and a switching circuit for selectively coupling the second transformed signal to the second transforming network.
Abstract translation: 收发器包括：第一变换网络，被布置成使用第一输入阻抗来接收第一调制信号，并且使用第一输出阻抗在第一通信标准的发送模式期间输出第一变换信号，并且使用第一输入阻抗 接收第二调制信号并使用第二输出阻抗在第二通信标准的发送模式期间输出第二变换信号; 布置成在第二通信标准的发送模式期间使用第二输入阻抗来接收第二变换信号并使用第三输出阻抗将第一RF信号输出到收发器的连接端口的第二变换网络; 功率放大器，被布置成产生第二RF信号; 以及用于选择性地将第二变换信号耦合到第二变换网络的开关电路。
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Patent Agency Ranking
3.发明申请公开(公告)号：US20130309979A1
公开(公告)日：2013-11-21
申请号：US13798063
申请日：2013-03-12
Applicant: MEDIATEK INC.
Inventor： Chia-Hsin Wu , Chih-Hsien Shen , Jui-Lin Hsu , Chih-Hung Lee , Yi-An Li
IPC: H04B1/16
Abstract: A radio-frequency (RF) front-end supporting at least a first and second wireless communication bands includes a mixer arranged for mixing a received signal with a first local oscillation signal when the shared receiver front-end performs the reception operation according to the first wireless communication band, and for mixing the received signal with a second local oscillation signal when the shared receiver front-end performs the reception operation according to the second wireless communication band, wherein the first and second local oscillation signals are different in frequency.
Abstract translation: 支持至少第一和第二无线通信频带的射频（RF）前端包括：当共享接收机前端执行根据第一本地振荡信号的接收操作时，混合器被配置为将接收信号与第一本地振荡信号进行混频 无线通信频带，并且当共享接收机前端根据第二无线通信频带进行接收操作时，用于将接收到的信号与第二本地振荡信号进行混频，其中第一和第二本地振荡信号的频率不同。
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公开(公告)号：US09590676B2
公开(公告)日：2017-03-07
申请号：US14664922
申请日：2015-03-23
Applicant: MEDIATEK INC.
Inventor： Chia-Hsin Wu , Yi-An Li
CPC classification number: H04B1/18
Abstract: A signal receiving apparatus includes: a first amplifying device, a second amplifying device, a feedback device, and a mixing device, wherein the mixing device is a passive mixer, the second amplifying device is arranged to provide an input impedance looking into an input terminal of the second amplifying device to fall within a first impedance range when the second amplifying device operates in a first frequency range, the second amplifying device is arranged to provide the input impedance looking into the input terminal of the second amplifying device to fall within a second impedance range when the second amplifying device operates in a second frequency range, the second frequency range is different from the first frequency range, and the second impedance range is different from the first impedance range.
Abstract translation: 信号接收装置包括：第一放大装置，第二放大装置，反馈装置和混合装置，其中所述混合装置是无源混频器，所述第二放大装置被布置成提供输入端子的输入阻抗 所述第二放大装置在所述第二放大装置在第一频率范围内工作时落入第一阻抗范围内，所述第二放大装置被布置成提供所述第二放大装置的输入端子中的输入阻抗落入第二放大装置的第二阻抗范围内 所述第二放大装置在第二频率范围内工作时，所述第二频率范围与所述第一频率范围不同，所述第二阻抗范围与所述第一阻抗范围不同。
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公开(公告)号：US20140308899A1
公开(公告)日：2014-10-16
申请号：US14139885
申请日：2013-12-24
Applicant: MEDIATEK INC.
Inventor： Tsung-Ming Chen , Chia-Hsin Wu , Albert Chia-Wen Jerng , George Chien
IPC: H04B1/50
CPC classification number: H04B1/50 , H04B1/0082
Abstract: A multi-standards transceiver includes: a first synthesizer arranged to generate a first oscillating signal; a second synthesizer arranged to generate a second oscillating signal; a first transceiver; a second transceiver; and a multiplexer coupled to the first synthesizer and the second synthesizer; wherein when the multi-standards transceiver operates under a first frequency mode, the first transceiver is arranged to use the first oscillating signal to modulate a first analog signal and the multiplexer is arranged to output the second oscillating signal to the second transceiver so that the second transceiver uses the second oscillating signal to modulate a second analog signal.
Abstract translation: 多标准收发器包括：第一合成器，被布置成产生第一振荡信号; 布置成产生第二振荡信号的第二合成器; 第一收发器; 第二收发器; 以及耦合到所述第一合成器和所述第二合成器的多路复用器; 其中当所述多标准收发器在第一频率模式下操作时，所述第一收发器被布置为使用所述第一振荡信号来调制第一模拟信号，并且所述多路复用器被布置为将所述第二振荡信号输出到所述第二收发器， 收发器使用第二振荡信号来调制第二模拟信号。
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公开(公告)号：US20160142082A1
公开(公告)日：2016-05-19
申请号：US14664922
申请日：2015-03-23
Applicant: MEDIATEK INC.
Inventor： Chia-Hsin Wu , Yi-An Li
CPC classification number: H04B1/18
Abstract: A signal receiving apparatus includes: a first amplifying device, a second amplifying device, a feedback device, and a mixing device, wherein the mixing device is a passive mixer, the second amplifying device is arranged to provide an input impedance looking into an input terminal of the second amplifying device to fall within a first impedance range when the second amplifying device operates in a first frequency range, the second amplifying device is arranged to provide the input impedance looking into the input terminal of the second amplifying device to fall within a second impedance range when the second amplifying device operates in a second frequency range, the second frequency range is different from the first frequency range, and the second impedance range is different from the first impedance range.
Abstract translation: 信号接收装置包括：第一放大装置，第二放大装置，反馈装置和混合装置，其中所述混合装置是无源混频器，所述第二放大装置被布置成提供输入端子的输入阻抗 所述第二放大装置在所述第二放大装置在第一频率范围内工作时落入第一阻抗范围内，所述第二放大装置被布置成提供所述第二放大装置的输入端子中的输入阻抗落入第二放大装置的第二阻抗范围内 所述第二放大装置在第二频率范围内工作时，所述第二频率范围与所述第一频率范围不同，所述第二阻抗范围与所述第一阻抗范围不同。
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7.发明授权公开(公告)号：US09100083B2
公开(公告)日：2015-08-04
申请号：US13798063
申请日：2013-03-12
Applicant: MEDIATEK INC.
Inventor： Chia-Hsin Wu , Chih-Hsien Shen , Jui-Lin Hsu , Chih-Hung Lee , Yi-An Li
Abstract: A radio-frequency (RF) front-end supporting at least a first and second wireless communication bands includes a mixer arranged for mixing a received signal with a first local oscillation signal when the shared receiver front-end performs the reception operation according to the first wireless communication band, and for mixing the received signal with a second local oscillation signal when the shared receiver front-end performs the reception operation according to the second wireless communication band, wherein the first and second local oscillation signals are different in frequency.
Abstract translation: 支持至少第一和第二无线通信频带的射频（RF）前端包括：当共享接收机前端执行根据第一本地振荡信号的接收操作时，混合器被配置为将接收信号与第一本地振荡信号进行混频 无线通信频带，并且当共享接收机前端根据第二无线通信频带进行接收操作时，用于将接收到的信号与第二本地振荡信号进行混频，其中第一和第二本地振荡信号的频率不同。
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