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    • 4. 发明授权
    • Limiter circuit and voltage controlled oscillator including the same
    • 限幅器电路和压控振荡器包括相同的
    • US08610510B2
    • 2013-12-17
    • US13348783
    • 2012-01-12
    • Do-Hyung KimJi-Hyun Kim
    • Do-Hyung KimJi-Hyun Kim
    • H03K3/03
    • H03K3/017H03K3/021H03L7/0998
    • A limiter circuit in a voltage controlled oscillator (VCO) includes a first control circuit, a second control circuit and a driving circuit having a pull-up transistor and a pull-down transistor. The first control circuit generates a first driving control signal for controlling the pull-up transistor based on an AC input signal and a first DC bias voltage. The second control circuit generates a second driving control signal for controlling the pull-down transistor based on the AC input signal and a second DC bias voltage. The driving circuit generates an output signal based on the first driving control signal and the second driving control signal. The output signal swings between a first voltage at the pull-up transistor and a second voltage at the pull-down transistor.
    • 压控振荡器(VCO)中的限幅电路包括第一控制电路,第二控制电路和具有上拉晶体管和下拉晶体管的驱动电路。 第一控制电路基于AC输入信号和第一DC偏置电压产生用于控制上拉晶体管的第一驱动控制信号。 第二控制电路产生用于基于AC输入信号和第二DC偏置电压来控制下拉晶体管的第二驱动控制信号。 驱动电路基于第一驱动控制信号和第二驱动控制信号生成输出信号。 输出信号在上拉晶体管的第一电压和下拉晶体管的第二电压之间摆动。
    • 10. 发明申请
    • LIMITER CIRCUIT AND VOLTAGE CONTROLLED OSCILLATOR INCLUDING THE SAME
    • 限制电路和电压控制振荡器,包括它们
    • US20120182076A1
    • 2012-07-19
    • US13348783
    • 2012-01-12
    • Do-Hyung KimJi-Hyun Kim
    • Do-Hyung KimJi-Hyun Kim
    • H03L7/06H03K5/08
    • H03K3/017H03K3/021H03L7/0998
    • A limiter circuit in a voltage controlled oscillator (VCO) includes a first control circuit, a second control circuit and a driving circuit having a pull-up transistor and a pull-down transistor. The first control circuit generates a first driving control signal for controlling the pull-up transistor based on an AC input signal and a first DC bias voltage. The second control circuit generates a second driving control signal for controlling the pull-down transistor based on the AC input signal and a second DC bias voltage. The driving circuit generates an output signal based on the first driving control signal and the second driving control signal. The output signal swings between a first voltage at the pull-up transistor and a second voltage at the pull-down transistor.
    • 压控振荡器(VCO)中的限幅电路包括第一控制电路,第二控制电路和具有上拉晶体管和下拉晶体管的驱动电路。 第一控制电路基于AC输入信号和第一DC偏置电压产生用于控制上拉晶体管的第一驱动控制信号。 第二控制电路产生用于基于AC输入信号和第二DC偏置电压来控制下拉晶体管的第二驱动控制信号。 驱动电路基于第一驱动控制信号和第二驱动控制信号生成输出信号。 输出信号在上拉晶体管的第一电压和下拉晶体管的第二电压之间摆动。