Linearity in passive mixer circuits
    1.
    发明授权
    Linearity in passive mixer circuits 有权
    无源混频器电路中的线性度

    公开(公告)号:US08792847B2

    公开(公告)日:2014-07-29

    申请号:US13560097

    申请日:2012-07-27

    IPC分类号: H04B1/26 H03D7/14

    摘要: A circuit used in a mixer configured to receive a signal made up of a relatively small modulation signal and a relatively large carrier signal is described. The mixer includes multiple switches. A balancing circuit configured to receive a supply voltage and a clocking signal is provided, and the balancing circuit provides a control signal to a switch in the mixer. The balancing circuit includes a capacitor configured to receive and selectively dissipate charge as a gate voltage along a gate path. The control signal causes switching of the switch in the mixer at times in accordance with the clocking signal according to a voltage difference value between a source voltage and the gate voltage, wherein the voltage difference value between the source voltage and the gate voltage is approximately a predetermined voltage value greater than a turn on voltage level of the switch.

    摘要翻译: 描述了用于接收由相对小的调制信号和较大载波信号组成的信号的混频器中使用的电路。 混音器包括多个开关。 提供了一种被配置为接收电源电压和时钟信号的平衡电路,并且平衡电路向混频器中的开关提供控制信号。 平衡电路包括被配置为沿着栅极路径接收和选择性地耗散电荷作为栅极电压的电容器。 控制信号根据源电压和栅极电压之间的电压差值,根据时钟信号,在混频器中切换开关,其中源极电压和栅极电压之间的电压差大约为 预定的电压值大于开关的接通电压电平。

    LINEARITY IN PASSIVE MIXER CIRCUITS

    公开(公告)号:US20140030996A1

    公开(公告)日:2014-01-30

    申请号:US13560097

    申请日:2012-07-27

    IPC分类号: H04B1/26

    摘要: A circuit used in a mixer configured to receive a signal made up of a relatively small modulation signal and a relatively large carrier signal is described. The mixer includes multiple switches. A balancing circuit configured to receive a supply voltage and a clocking signal is provided, and the balancing circuit provides a control signal to a switch in the mixer. The balancing circuit includes a capacitor configured to receive and selectively dissipate charge as a gate voltage along a gate path. The control signal causes switching of the switch in the mixer at times in accordance with the clocking signal according to a voltage difference value between a source voltage and the gate voltage, wherein the voltage difference value between the source voltage and the gate voltage is approximately a predetermined voltage value greater than a turn on voltage level of the switch.