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    • 8. 发明授权
    • Source and sink voltage regulator using one type of power transistor
    • 源和接收电压调节器使用一种类型的功率晶体管
    • US06433521B1
    • 2002-08-13
    • US09920630
    • 2001-08-03
    • An-Tung ChenYung-Peng Hwang
    • An-Tung ChenYung-Peng Hwang
    • H02J102
    • H04L25/0298G11C5/147G11C7/1048G11C7/1066G11C11/4074G11C11/4093
    • The present invention provides a regulator used in an active terminator of a bus. The regulator comprises a voltage-regulated terminal, a first operational amplifier and a non-inverting input terminal thereof coupled to a reference voltage. An inverting input terminal of a second operational amplifier is coupled to the reference voltage. A control gate of a first transistor is coupled to an output terminal of the first operational amplifier. A source of the first transistor is coupled to an inverting input terminal of the first operational amplifier to form a feedback network and to provide a stable circuit of sourcing current. A control gate of a second transistor is coupled to an output terminal of the second operational amplifier and a drain of the second transistor to a non-inverting input terminal of the second operational amplifier to form the feedback network and to provide a stable circuit of sinking current. The prevent invention prevents from utility of complementary output power transistors and shoot-through current.
    • 本发明提供一种用于总线的有源终端器中的调节器。 调节器包括耦合到参考电压的电压调节端子,第一运算放大器和非反相输入端子。 第二运算放大器的反相输入端耦合到参考电压。 第一晶体管的控制栅极耦合到第一运算放大器的输出端。 第一晶体管的源极耦合到第一运算放大器的反相输入端,以形成反馈网络并提供电流电流的稳定电路。 第二晶体管的控制栅极耦合到第二运算放大器的输出端和第二晶体管的漏极到第二运算放大器的非反相输入端,以形成反馈网络并提供稳定的下沉电路 当前。 防止发明防止互补输出功率晶体管和直通电流的效用。