Design of Phase Compensation Circuits For Multistage OP-AMP


The technique of compensation is used to provide stability to rather unstable systems, which become so due to obvious use of the closed loop feedback. The capacitor in feedback path that decreases the flow of current through main feed forward path at various frequencies, causes the path of low reactance in feedback loop, This effect intro- duces the phase error within the circuit In this paper compensation strategy has been simulated to overcome this effect. Simulation result shows an improvement upto 35 degrees.

Rishi Singhal,S.P. Singh, Dr V. K. Pandey

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