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2. 发明申请

US20140266447A1 VOLTAGE REGULATORS, AMPLIFIERS, MEMORY DEVICES AND METHODS 有权
标题翻译：电压调节器，放大器，存储器件和方法
公开(公告)号：US20140266447A1
公开(公告)日：2014-09-18
申请号：US14287381
申请日：2014-05-27
申请人： MICRON TECHNOLOGY, INC.
发明人： DONG PAN
IPC分类号： H03F3/45
CPC分类号： H03F3/45071 , G11C5/147 , G11C7/06 , G11C7/065 , G11C7/12 , G11C11/4091 , G11C11/4097 , H03F3/45183 , H03F2203/45264
摘要： Circuits, devices and methods are provided, such as an amplifier (e.g., a voltage regulator) that includes a feedback circuit that supplies negative feedback through a feedback path. One such feedback path includes a capacitance coupled in series with a “one-way” isolation circuit through which a feedback signal is coupled. The “one-way” isolation circuit my allow the feedback signal to be coupled from a “downstream” node, such as an output node, to an “upstream” node, such as a node at which an error signal is generated to provide negative feedback. However, the “one-way” isolation circuit may substantially prevent variations in the voltage at the upstream node from being coupled to the capacitance in the isolation circuit. As a result, the voltage at the upstream node may quickly change since charging and discharging of the capacitance responsive to voltage variations at the upstream node may be avoided.
摘要翻译：提供了电路，装置和方法，例如放大器（例如，电压调节器），其包括通过反馈路径提供负反馈的反馈电路。一个这样的反馈路径包括与“单向”隔离电路串联耦合的电容，通过该电路耦合反馈信号。 “单向”隔离电路允许反馈信号从诸如输出节点的“下游”节点耦合到“上游”节点，例如产生错误信号以产生负值的节点反馈。然而，“单向”隔离电路可以基本上防止上游节点处的电压变化与隔离电路中的电容耦合。结果，可以避免上游节点处的电压响应于上游节点处的电压变化而对电容进行充电和放电，所以上游节点处的电压可能快速变化。

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