Who can explain if the gain curve have no cross 0 degree, so that can't measure the gain margin.
Are there any risk for this loop gain result? please see the attached file.
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Who can explain if the gain curve have no cross 0 degree, so that can't measure the gain margin.
Are there any risk for this loop gain result? please see the attached file.
That does not look like a normal gain and phase plot. Can you post your schematic and show how you connected the analyser?