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urgent help in Measure phase margin of OTA

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wael_wael

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could some till me the way to masure the phase margin of OTA, and it is necssary to connect the OTA with resistors or capacitor
regards
 

first cal the feedback factor f
 

Measure the phase at the cross frequency first, and then plot (phase-(-180)).
 

Hallo

FOR OTA u can increase ur phase margin by increasing the value of capacitor as Load.

Ciao
 

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