Question

1. How the output voltage can be controlled by Op amplifier and open loop gain?
2. Explain the differences between integrator and differentiator.

Answer 1

A Noltage amplitien in simplest foxmis any any chcuit that puds auts a higher voltade than the input Notage When Vau ane forred to wark toith set cumount of yaltage than these am plifiess ar cammonly used to increase the valtage and thus the amaun powes coming out ol a cincuit Amplifiex isa form cf the common emittes amplifies In elechical conhol system, pen loop system toith veay fe automatic contool cr feedback feardunes built in to regulale vasiable sc as to maintaun the desired oudput levelar value. In this case the conhal action is the manual aperctor assessing the wetness of the clothes andl eeting the Process उप pr.ocess Antegrator-The pracess ef integalion the accumulation of sing dl are Suppressed Therefore an effectve smoothinina of signal is achiened and hence integralion aun be viaued as louo-pass tiltering isused to Opera tho nalamplifter funcions as integrator ahen feed back resistor is eplaced uoith apaciar and input resistor is not changed The auation tor the Integr ctox ap-amp is mentianed Dilfer entilors elesigned to opexnie an triangulsx and xeactangulas signal tis most commanly SHREE

DifferentiatorS dlso find applications a coave shaping ciscuit When inputresstor is meplaced with COpacitor and feed back esistor is not changed The equatien for the differen iticutos op-aump is mentioned