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Old 24th December 2012, 04:09 PM   #251
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Join Date: Nov 2010
Location: The City, SanFrancisco
Kevin

Been busy preparing for the holidays (always hard to take time off work) but I still dont get the association with phase margin.

Seems to me that given a constant cross-over loop frequency, the only way to get less phase margin is to either increase the loop gain or move the dominant pole to a slightly higher frequency. Both of these should result in an overall increase in loop gain (gain bandwidth within 20Khz) and thus should lower distortion.

Happy holidays
-Antonio
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