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clear//
//Variables
Av = 800.0 //Voltage gain
beta = 0.05 //Feedback ratio
dAvbyAv = 20.0 //Percentage change in open loop gain
//Calculation
dA1vbyA1v = 1 / (1 + beta*Av)*dAvbyAv //Percentage change in closed loop gain
//Result
printf("\n The percentage change in closed loop gain is %0.1f percentage.",dA1vbyA1v)
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