Closed Loop Configuration of operational amplifier
Aim:-To design various closed loop configurations of operational amplifiers
using IC-uA741
Name :KARTIK TRIPATHI
Slot: Lab 43+44
Reg No:18BEC0981
Components Used : Orcad Software
Hardware Components:IC741,2 resistors(20 kohms and 10 kohms), power
supply(2 DC and 1 AC sinusoidal), 3 ground sources and connecting wires.
Circuit Diagram:
Fig:Inverting op amp circuit
Fig:Non Inverting op amp circuit
Fig:Voltage Follower circuit
Tabular Column/Manual Calculation :
1)Inverting Op amp tabulation:Vin
4.991V
1.4011V
2.9772V
Vout
-9.997V
-2.8546V
-6.007V
2) Non Inverting Op amp tabulation:-
Vin
4.9987V
3.1211V
1.4002V
3) Voltage Follower Op amp tabulation:Vin
5.0000V
2.7671V
1.2571V
Vout
14.816V
9.4221V
4.2382V
Vout
4.9988V
2.7671V
1.2618V
Simulation Results/Graph:
Fig:Inverting op amp output graph
Fig:Non Inverting op amp output graph
Fig:Voltage Follower op amp output graph
Results/Discussion:1 )For the Inverting Op amp it is seen that Vo=-(R2/R1)*Vin
2) For the Non Inverting Op amp it is seen that Vo=(1+R2/R1)*Vin
3) For the Voltage Follower Op amp it is seen that Vo=Vin