Method and apparatus for an LNA with high linearity and improved gain control
    3.
    发明授权
    Method and apparatus for an LNA with high linearity and improved gain control 有权
    具有高线性度和改进的增益控制的LNA的方法和装置

    公开(公告)号:US07463095B1

    公开(公告)日:2008-12-09

    申请号:US11890738

    申请日:2007-08-07

    IPC分类号: H03F3/04

    摘要: An analog signal processing circuit comprises a bias circuit, a first circuit including a control input that communicates with the bias circuit, a first terminal that generates an output current, and a second terminal, and a device that communicates with the second terminal of the first circuit, that includes a variable resistor, and that has a resistance that is modulated in response to an input signal to the analog signal processing circuit.

    摘要翻译: 模拟信号处理电路包括偏置电路,包括与偏置电路通信的控制输入的第一电路,产生输出电流的第一端子和第二端子,以及与第一端子的第二端子通信的装置 电路,其包括可变电阻器,并且具有响应于模拟信号处理电路的输入信号而被调制的电阻。

    Method and apparatus for an LNA with high linearity and improved gain control
    6.
    发明授权
    Method and apparatus for an LNA with high linearity and improved gain control 有权
    具有高线性度和改进的增益控制的LNA的方法和装置

    公开(公告)号:US07230491B1

    公开(公告)日:2007-06-12

    申请号:US11175943

    申请日:2005-07-05

    IPC分类号: H03G3/10

    摘要: A bias circuit for biasing a linear input stage of an amplifier comprises a first MOS device having a size. A second MOS device has a size and is arranged with the first MOS device in a cascode configuration. The second MOS device is operated in a saturation region. A third MOS device has a size and biases the first MOS device in a triode region. A bias switch ratio of the size of the first MOS device to the size of the third MOS device is greater than one.

    摘要翻译: 用于偏置放大器的线性输入级的偏置电路包括具有大小的第一MOS器件。 第二MOS器件具有尺寸并与第一MOS器件配置成共源共栅配置。 第二MOS器件在饱和区域中工作。 第三MOS器件具有尺寸并偏置三极管区域中的第一MOS器件。 第一MOS器件的尺寸与第三MOS器件的尺寸的偏置开关比大于1。

    Method and apparatus for an LNA with high linearity and improved gain control
    9.
    发明授权
    Method and apparatus for an LNA with high linearity and improved gain control 有权
    具有高线性度和改进的增益控制的LNA的方法和装置

    公开(公告)号:US08031006B1

    公开(公告)日:2011-10-04

    申请号:US12567855

    申请日:2009-09-28

    IPC分类号: H03F3/04

    摘要: A low noise amplifier includes an input stage. The input stage includes a first device configured to receive an input signal. A second device is connected to the first device. The second device has a predetermined input impedance. The input stage is configured so that a change in the input signal to the first device causes a linearly proportional change in a conductance of the first device. A voltage at a junction between the first device and the second device remains substantially constant due to the predetermined input impedance of the second device.

    摘要翻译: 低噪声放大器包括输入级。 输入级包括被配置为接收输入信号的第一设备。 第二设备连接到第一设备。 第二装置具有预定的输入阻抗。 输入级被配置为使得到第一器件的输入信号的变化导致第一器件的电导的线性比例变化。 由于第二装置的预定输入阻抗,第一装置和第二装置之间的连接处的电压保持基本恒定。