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    • 1. 发明申请
    • DRIVER CIRCUIT WITH EMI IMMUNITY
    • 具有EMI免疫力的驱动电路
    • US20080042696A1
    • 2008-02-21
    • US11835187
    • 2007-08-07
    • Jean-Michel RedouteMichiel Steyaert
    • Jean-Michel RedouteMichiel Steyaert
    • H03B1/00
    • H03K5/12H03K17/166
    • A driver circuit suitable for outputting a signal onto an output line affected by conducted EMI, has a slope control circuit and an output circuit, (op-amp, Mo, M13 to M21). It can be used for driving a LIN network. The slope control circuit outputs a slope controlled version of the input signal to the output circuit, which (M6,M7) is arranged to reduce an amount of conducted EMI induced DC shift in the output circuit. This can involve clipping a feedback signal, and regulating an output stage of the op-amp to prevent the DC shift. Having a separate output circuit can help shield the slope control circuit from the EMI on the output line.
    • 适用于将信号输出到受传导EMI影响的输出线上的驱动电路具有斜率控制电路和输出电路(运算放大器,Mo,M13至M21)。 它可以用于驱动LIN网络。 斜坡控制电路将输入信号的斜率控制版本输出到输出电路,其中(M 6,M 7)被布置为减少输出电路中的导电EMI感应的直流偏移量。 这可能涉及削波反馈信号,并调节运算放大器的输出级以防止直流偏移。 具有单独的输出电路可以帮助屏蔽斜坡控制电路与输出线上的EMI。
    • 2. 发明申请
    • DC current regulator insensitive to conducted EMI
    • 直流电流调节器对传导EMI不敏感
    • US20070216484A1
    • 2007-09-20
    • US11651514
    • 2007-01-10
    • Jean-Michel RedouteMichiel Steyaert
    • Jean-Michel RedouteMichiel Steyaert
    • H03F3/45
    • G05F1/56G05F3/262
    • A DC current regulator circuit comprises a first circuit node (32) which is operable to receive an external input voltage. A transistor (M1) has an input, a first leg and a second leg. The first leg of the transistor is isolated from the first circuit node (32). An amplifier (10) has an output connected to the input of the transistor (M1), a first amplifier input for receiving a reference voltage (VREF) and a second amplifier input connected to the first circuit node (32). A low-pass filter (33) connects between the output of the amplifier and the first circuit node (32). A current mirror (36) connects in series with the second leg of the transistor (M1) and has a first branch (38) for providing a regulated output current and a second branch (37) which connects to the first circuit node (32). The current regulator has reduced sensitivity to conducted EMI received at the first circuit node (32).
    • DC电流调节器电路包括可操作以接收外部输入电压的第一电路节点(32)。 晶体管(M1)具有输入端,第一支脚和第二支路。 晶体管的第一支路与第一电路节点(32)隔离。 放大器(10)具有连接到晶体管(M 1)的输入的输出端,用于接收参考电压(V REF )的第一放大器输入端和连接到第一电路 节点(32)。 低通滤波器(33)连接在放大器的输出端与第一电路节点(32)之间。 电流镜(36)与晶体管(M1)的第二支路串联连接,并具有用于提供调节输出电流的第一支路(38)和连接到第一电路节点(32)的第二支路(37) )。 电流调节器降低了在第一电路节点(32)处接收的传导EMI的灵敏度。
    • 3. 发明申请
    • DRIVER CIRCUIT WITH EMI IMMUNITY
    • 具有EMI免疫力的驱动电路
    • US20090115462A9
    • 2009-05-07
    • US11835187
    • 2007-08-07
    • Jean-Michel RedouteMichiel Steyaert
    • Jean-Michel RedouteMichiel Steyaert
    • H03B1/00
    • H03K5/12H03K17/166
    • A driver circuit suitable for outputting a signal onto an output line affected by conducted EMI, has a slope control circuit and an output circuit, (op-amp, Mo, M13 to M21). It can be used for driving a LIN network. The slope control circuit outputs a slope controlled version of the input signal to the output circuit, which (M6,M7) is arranged to reduce an amount of conducted EMI induced DC shift in the output circuit. This can involve clipping a feedback signal, and regulating an output stage of the op-amp to prevent the DC shift. Having a separate output circuit can help shield the slope control circuit from the EMI on the output line.
    • 适用于将信号输出到受传导EMI影响的输出线上的驱动电路具有斜率控制电路和输出电路(运算放大器,Mo,M13至M21)。 它可以用于驱动LIN网络。 斜坡控制电路将输入信号的斜率控制版本输出到输出电路,M6,M7被布置为减小输出电路中的导电EMI感应直流偏移量。 这可能涉及削波反馈信号,并调节运算放大器的输出级以防止直流偏移。 具有单独的输出电路可以帮助屏蔽斜坡控制电路与输出线上的EMI。
    • 4. 发明授权
    • Driver circuit with EMI immunity
    • 具有EMI抗扰度的驱动电路
    • US08487663B2
    • 2013-07-16
    • US11835187
    • 2007-08-07
    • Jean-Michel Vladimir RedoutéMichiel Steyaert
    • Jean-Michel Vladimir RedoutéMichiel Steyaert
    • H03K5/12
    • H03K5/12H03K17/166
    • A driver circuit suitable for outputting a signal onto an output line affected by conducted EMI, has a slope control circuit and an output circuit, (op-amp, Mo, M13 to M21). It can be used for driving a LIN network. The slope control circuit outputs a slope controlled version of the input signal to the output circuit, which (M6,M7) is arranged to reduce an amount of conducted EMI induced DC shift in the output circuit. This can involve clipping a feedback signal, and regulating an output stage of the op-amp to prevent the DC shift. Having a separate output circuit can help shield the slope control circuit from the EMI on the output line.
    • 适用于将信号输出到受传导EMI影响的输出线上的驱动电路具有斜率控制电路和输出电路(运算放大器,Mo,M13至M21)。 它可以用于驱动LIN网络。 斜坡控制电路将输入信号的斜率控制版本输出到输出电路,M6,M7被布置为减小输出电路中的导电EMI感应直流偏移量。 这可能涉及削波反馈信号,并调节运算放大器的输出级以防止直流偏移。 具有单独的输出电路可以帮助屏蔽斜坡控制电路与输出线上的EMI。
    • 6. 发明授权
    • DC current regulator insensitive to conducted EMI
    • 直流电流调节器对传导EMI不敏感
    • US07427854B2
    • 2008-09-23
    • US11651514
    • 2007-01-10
    • Jean-Michel Vladimir RedoutéMichiel Steyaert
    • Jean-Michel Vladimir RedoutéMichiel Steyaert
    • G05F3/26G05F3/28
    • G05F1/56G05F3/262
    • A DC current regulator circuit comprises a first circuit node (32) which is operable to receive an external input voltage. A transistor (M1) has an input, a first leg and a second leg. The first leg of the transistor is isolated from the first circuit node (32). An amplifier (10) has an output connected to the input of the transistor (M1), a first amplifier input for receiving a reference voltage (VREF) and a second amplifier input connected to the first circuit node (32). A low-pass filter (33) connects between the output of the amplifier and the first circuit node (32). A current mirror (36) connects in series with the second leg of the transistor (M1) and has a first branch (38) for providing a regulated output current and a second branch (37) which connects to the first circuit node (32). The current regulator has reduced sensitivity to conducted EMI received at the first circuit node (32).
    • DC电流调节器电路包括可操作以接收外部输入电压的第一电路节点(32)。 晶体管(M1)具有输入端,第一支脚和第二支路。 晶体管的第一支路与第一电路节点(32)隔离。 放大器(10)具有连接到晶体管(M 1)的输入的输出端,用于接收参考电压(V SUB REF)的第一放大器输入端和连接到第一电路 节点(32)。 低通滤波器(33)连接在放大器的输出端与第一电路节点(32)之间。 电流镜(36)与晶体管(M1)的第二支路串联连接,并具有用于提供调节输出电流的第一支路(38)和连接到第一电路节点(32)的第二支路(37) )。 电流调节器降低了在第一电路节点(32)处接收的传导EMI的灵敏度。