会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 6. 发明授权
    • Mixer circuit and method
    • 混频器电路及方法
    • US07606538B2
    • 2009-10-20
    • US11487205
    • 2006-07-14
    • Stefano MarsiliMarc Tiebout
    • Stefano MarsiliMarc Tiebout
    • H04B1/04H04B17/00H03C1/62
    • H04B1/0475H04B2001/0491
    • A mixer circuit includes a mixer having input terminals and an output terminal, to provide an output signal by mixing input signals, wherein the mixer exhibits leakage. The circuit also includes a signal generator coupled to one of the input terminals of the mixer to provide a correction signal, an up-conversion mixer coupled to the mixer to provide an up-converted signal by mixing a test signal with the output signal of the mixer, and a down-conversion mixer coupled to the up-conversion mixer to provide a down-converted signal by down-converting the up-converted signal. A signal detector is coupled to the down-conversion mixer and detects a spurious signal in the down-converted signal, the spurious signal indicating the leakage, and a control unit is coupled to the signal detector and the signal generator to control generation of the correction signal depending on the detected spurious signal to compensate the leakage.
    • 混频器电路包括具有输入端和输出端的混频器,通过混合输入信号提供输出信号,其中混频器显示泄漏。 电路还包括耦合到混频器的一个输入端以提供校正信号的信号发生器,耦合到混频器的上转换混频器,通过将测试信号与 混频器和耦合到上变频混频器的下变频混频器,通过下变频上变频信号来提供下变频信号。 信号检测器耦合到下变频混频器并检测下变频信号中的寄生信号,指示泄漏的寄生信号,以及控制单元耦合到信号检测器和信号发生器以控制校正的产生 信号取决于检测到的杂散信号以补偿泄漏。
    • 7. 发明申请
    • Mixer circuit and method
    • 混频器电路及方法
    • US20080013755A1
    • 2008-01-17
    • US11487205
    • 2006-07-14
    • Stefano MarsiliMarc Tiebout
    • Stefano MarsiliMarc Tiebout
    • H04B1/00
    • H04B1/0475H04B2001/0491
    • A mixer circuit includes a mixer having input terminals and an output terminal, to provide an output signal by mixing input signals, wherein the mixer exhibits leakage. The circuit also includes a signal generator coupled to one of the input terminals of the mixer to provide a correction signal, an up-conversion mixer coupled to the mixer to provide an up-converted signal by mixing a test signal with the output signal of the mixer, and a down-conversion mixer coupled to the up-conversion mixer to provide a down-converted signal by down-converting the up-converted signal. A signal detector is coupled to the down-conversion mixer and detects a spurious signal in the down-converted signal, the spurious signal indicating the leakage, and a control unit is coupled to the signal detector and the signal generator to control generation of the correction signal depending on the detected spurious signal to compensate the leakage.
    • 混频器电路包括具有输入端和输出端的混频器,通过混合输入信号提供输出信号,其中混频器显示泄漏。 电路还包括耦合到混频器的一个输入端以提供校正信号的信号发生器,耦合到混频器的上转换混频器,通过将测试信号与 混频器和耦合到上变频混频器的下变频混频器,通过下变频上变频信号来提供下变频信号。 信号检测器耦合到下变频混频器并检测下变频信号中的寄生信号,指示泄漏的寄生信号,以及控制单元耦合到信号检测器和信号发生器以控制校正的产生 信号取决于检测到的杂散信号以补偿泄漏。