Method for feedback circuit design
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United States of America Patent
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Nov 24, 2009
Grant Date -
May 15, 2008
app pub date -
Nov 13, 2006
filing date -
Nov 13, 2006
priority date (Note) -
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Abstract
A method and system for feedback circuit design are disclosed. In one aspect, a method of feedback circuit design includes simulating a reference circuit design having a feedback stage at a target crossover frequency, determining an initial phase margin at the target crossover frequency, and adding an impedance network to the feedback stage if the initial phase margin is less than a threshold phase margin. The design of the impedance network is determined such that the initial phase margin is increased.
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