Frequency conversion device for wireless systems
    1.
    发明授权
    Frequency conversion device for wireless systems 有权
    无线系统变频装置

    公开(公告)号:US08731507B2

    公开(公告)日:2014-05-20

    申请号:US13786637

    申请日:2013-03-06

    Applicant: ST-Ericsson SA

    CPC classification number: H03D7/1466 H03D7/165

    Abstract: A frequency conversion device for transforming a frequency of an input signal, the device comprising: a signal generator for providing a plurality N of first signals at a first frequency, where N≧1, from an input signal having an in-phase component I and a quadrature signal component Q; an oscillator for generating N parallel oscillation signals, wherein the N oscillation signals are stepped in phase with respect to one another; a mixer comprising N mixing components, each mixing component being coupled to receive a respective one of the plurality of first signals and coupled to receive a respective oscillation signal for mixing the respective first signal with the corresponding oscillation signal to provide an output signal; and a common amplifier for receiving the N output signals from the N mixing components in N sequential phases for transmission.

    Abstract translation: 一种用于变换输入信号的频率的变频装置,该装置包括:信号发生器,用于从具有同相分量I的输入信号和N≥1的第一频率提供多个N个第一信号, 正交信号分量Q; 用于产生N个并联振荡信号的振荡器,其中所述N个振荡信号相对于彼此同步地阶梯状; 混合器,其包括N个混合分量,每个混合分量被耦合以接收所述多个第一信号中的相应一个,并且被耦合以接收相应的振荡信号,用于将相应的第一信号与相应的振荡信号混合以提供输出信号; 以及用于从N个混合分量中以N个连续相位接收N个输出信号以用于传输的公共放大器。

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