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    • 6. 发明申请
    • MULTI-ELEMENT PHASED ARRAY TRANSMITTER WITH LO PHASE SHIFTING AND INTEGRATED POWER AMPLIFIER
    • 多元相位阵发射机,具有相移和集成功率放大器
    • WO2006039500A3
    • 2007-01-18
    • PCT/US2005035210
    • 2005-09-29
    • CALIFORNIA INST OF TECHNNATARAJAN ARUNKOMIJANI ABBASHAJIMIRI SEYED ALI
    • NATARAJAN ARUNKOMIJANI ABBASHAJIMIRI SEYED ALI
    • H04B1/02H04B7/02H04M1/00
    • H01Q3/42H01Q3/22
    • A fully integrated CMOS multi-element phased-array transmitter (transmitter)includes, in part, on-chip power amplifiers (PA) (262), with integrated output matching. The transmitter is adapted to be configured as a two-dimensional 2-by-2 array or as a one dimensional l-by-4 array. The transmitter uses a two step up-conversion architecture with an IF frequency of 4.8GHz. Double-quadrature architecture for the up-conversion stages attenuates the signal at image frequencies. The phase selectors (252, 254) in each transmitter path have independent access to all the phases of the VCO (202). The double quadrature architecture results in two sets of phase selectors for each path, one for the in-phase (1) and one for the quadrature phase (Q) of the LO signal. The phase selection is done in two stages, with the first stage determining the desired VCO differential phase pair and the next stage selecting the appropriate polarity. An on-chip Balun is used for differential to single-ended conversion.
    • 完全集成的CMOS多元件相控阵发射器(发射机)部分地包括片上功率放大器(PA)(262),具有集成的输出匹配。 发射机适于配置为二维2×2阵列或一维1/4乘法阵列。 发射机采用两段升频转换架构,中频频率为4.8GHz。 上转换级的双正交架构在图像频率衰减信号。 每个发射机路径中的相位选择器(252,254)具有对VCO(202)的所有相位的独立访问。 双正交架构为每个路径产生两组相位选择器,一组用于同相(1),另一组用于LO信号的正交相位(Q)。 相位选择分为两个阶段,第一阶段确定期望的VCO差分相位对,下一个阶段选择适当的极性。 片内平衡管用于差分到单端转换。
    • 7. 发明申请
    • MULTI-ELEMENT PHASED ARRAY TRANSMITTER WITH LO PHASE SHIFTING AND INTEGRATED POWER AMPLIFIER
    • 多元相位阵发射机,具有相移和集成功率放大器
    • WO2006039500A2
    • 2006-04-13
    • PCT/US2005/035210
    • 2005-09-29
    • CALIFORNIA INSTITUTE OF TECHNOLOGYNATARAJAN, ArunKOMIJANI, AbbasHAJIMIRI, Seyed, Ali
    • NATARAJAN, ArunKOMIJANI, AbbasHAJIMIRI, Seyed, Ali
    • H01Q3/22
    • H01Q3/42H01Q3/22
    • A fully integrated CMOS multi-element phased-array transmitter (transmitter) includes, in part, on-chip power amplifiers (PA), with integrated output matching. The transmitter is adapted to be configured as a two-dimensional 2-by-2 array or as a one dimensional 1-by-4 array. The transmitter uses a two step up-conversion architecture with an IF frequency of 4.8GHz. Double-quadrature architecture for the up-conversion stages attenuates the signal at image frequencies. The phase selectors in each transmitter path have independent access to all the phases of the VCO. The double quadrature architecture results in two sets of phase selectors for each path, one for the in-phase (I) and one for the quadrature phase (Q) of the LO signal. The phase selection is done in two stages, with the first stage determining the desired VCO differential phase pair and the next stage selecting the appropriate polarity. An on-chip Balun is used for differential to single-ended conversion.
    • 完全集成的CMOS多元件相控阵发射器(发射机)部分包括片上功率放大器(PA),具有集成的输出匹配。 发射机适于配置为二维2×2阵列或一维1×4阵列。 发射机采用双频上变频架构,中频频率为4.8GHz。 上转换级的双正交架构衰减了图像频率处的信号。 每个发射器路径中的相位选择器具有对VCO的所有相位的独立访问。 双正交架构为每个路径产生两组相位选择器,一组用于同相(I),另一组用于LO信号的正交相位(Q)。 相位选择分为两个阶段,第一阶段确定期望的VCO差分相位对,下一个阶段选择适当的极性。 片内平衡变换器用于差分到单端转换。