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What is gain and phase margin?
增益
相位 频率
Questioner:Oliver Wilson 2023-05-05 03:48:24
The most authoritative answer in 2024
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Benjamin Martin——Works at the International Monetary Fund, Lives in Washington, D.C., USA.
The
gain margin is the amount of
gain increase or decrease required to make the loop
gain unity at the frequency Wgm where the
phase angle is -C180-- (modulo 360--). In other words, the
gain margin is 1/g if g is the
gain at the -C180--
phase frequency.
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