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OpAmp Open Loop Stability Analysis with Pspice

Question asked by user on Oct 15, 2012
Latest reply on Oct 16, 2012 by user

Hey,

I have the urgent need for analysis of the stability of an operational amplifier cuiruit with feedback. For that purpose I would like the AC analysis the open loop response of the operational amplifier circuit in order to determine the phase reserve and amplitude reserve. How can I use Pspice to analyse the open loop transfer function? At which circuit point must I introduce the AC source for correct open loop simulation?

 

Thanks in advance!

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