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    • 3. 发明申请
    • ROBUST CURRENT MIRROR WITH IMPROVED INPUT VOLTAGE HEADROOM
    • 具有改进的输入电压HEADROOM的稳定的电流镜
    • US20100026365A1
    • 2010-02-04
    • US12182174
    • 2008-07-30
    • Donghui Wang
    • Donghui Wang
    • H03L5/00
    • G05F3/262
    • An apparatus comprising an input current source device, a first transistor, a second transistor and a level shifter device. The input current source device may provide a input current source. The first transistor may be configured to operate in saturation for mirroring the input current source to an output current source. The first transistor may have (i) a source node connected to a supply, and (ii) a drain connected to the input current source. The second transistor may also be configured to operate in saturation. The second transistor may have (i) a gate connected to a gate of the first transistor, (ii) a source connected to the supply, and (iii) a drain configured as an output current node. The level shifter device may comprise a third transistor, a first bias current source and a second bias current source.
    • 一种装置,包括输入电流源装置,第一晶体管,第二晶体管和电平转换装置。 输入电流源装置可以提供输入电流源。 第一晶体管可以被配置为在饱和状态下工作以将输入电流源镜像到输出电流源。 第一晶体管可以具有(i)连接到电源的源节点和(ii)连接到输入电流源的漏极。 第二晶体管也可以被配置为在饱和状态下工作。 第二晶体管可以具有(i)连接到第一晶体管的栅极的栅极,(ii)连接到电源的源极,以及(iii)被配置为输出电流节点的漏极。 电平移位器装置可以包括第三晶体管,第一偏置电流源和第二偏置电流源。
    • 4. 发明授权
    • Robust current mirror with improved input voltage headroom
    • 强大的电流镜,具有改进的输入电压裕量
    • US07777561B2
    • 2010-08-17
    • US12182174
    • 2008-07-30
    • Donghui Wang
    • Donghui Wang
    • G05F1/10G05F3/02
    • G05F3/262
    • An apparatus comprising an input current source device, a first transistor, a second transistor and a level shifter device. The input current source device may provide a input current source. The first transistor may be configured to operate in saturation for mirroring the input current source to an output current source. The first transistor may have (i) a source node connected to a supply, and (ii) a drain connected to the input current source. The second transistor may also be configured to operate in saturation. The second transistor may have (i) a gate connected to a gate of the first transistor, (ii) a source connected to the supply, and (iii) a drain configured as an output current node. The level shifter device may comprise a third transistor, a first bias current source and a second bias current source.
    • 一种装置,包括输入电流源装置,第一晶体管,第二晶体管和电平转换装置。 输入电流源装置可以提供输入电流源。 第一晶体管可以被配置为在饱和状态下工作以将输入电流源镜像到输出电流源。 第一晶体管可以具有(i)连接到电源的源节点和(ii)连接到输入电流源的漏极。 第二晶体管也可以被配置为在饱和状态下工作。 第二晶体管可以具有(i)连接到第一晶体管的栅极的栅极,(ii)连接到电源的源极,以及(iii)被配置为输出电流节点的漏极。 电平移位器装置可以包括第三晶体管,第一偏置电流源和第二偏置电流源。