Operational Amplifier and Unified Electrical Science
LMELE102 & 152 Unified Electrical Science
LABORATORY MANUAL
ELE102
ELECTRICAL SCIENCE-II
1|Page
LMELE102 & 152 Unified Electrical Science
Table of Contents
S.no. Experiment Name
Page no.
1
Inverting and non-inverting amplifiers using
IC741. Opamp as summer, integrator and
Diffrentiator.
3
2
Counter Design using Flip Flops.
8
3
Use of CRO, Function generator and power supply. 12
4
Realization of MUX and DEMUX.
17
5
Active Filter Design using OPAMPS.
20
6
To plot the speed torque characteristics of a dc motor. 22
7
25
To start and reverse the direction of an induction motor. To plot the speed torque characteristics of an induction motor.
8
Interfacing of microcontroller with dc motor and
LED.
27
9
Driving an LED/Relay/motor using 8051 microcontroller output ports.
29
10
To display alpha numeric characters using 8051.
31
2|Page
LMELE102 & 152 Unified Electrical Science
EXPERIMENT-1
Aim: Inverting and non-inverting amplifiers using IC741. Opamp as summer, integrator and Diffrentiator.
Equipment Required: CRO, Power supply, Function generator
Material Required: Op-Amp 741, resistor, Bread board, connecting wires.
PIN DIAGRAM 741
CIRCUIT DIAGRAM:-
3|Page
LMELE102 & 152 Unified Electrical Science
R1= 5KΩ,
R2= 10kΩ
DESIGN PROCEDURE:The gain of inverting amplifier is given by
The gain for non-inverting amplifier is given by
EXPERIMENTAL PROCEDURE:
1. Connect the circuit as shown in Fig.
2. Apply +12V to pin 7 and –12V to pin 4. Connect common terminal of power supply to ground on the breadboard.
3. Apply a dc voltage of 0.1V to the pin-2 of IC. Measure the output.
4|Page
LMELE102 & 152 Unified Electrical Science
4. Increase voltage in steps of 0.1V up to 1.0V and measure the output.
OBSERVATION TABLE:
S.NO
Vi(v)
Vo(v)
Gain(dB)
a) Inverting Summing Amplifier
Figure 2 shows an example of how an
LABORATORY MANUAL
ELE102
ELECTRICAL SCIENCE-II
1|Page
LMELE102 & 152 Unified Electrical Science
Table of Contents
S.no. Experiment Name
Page no.
1
Inverting and non-inverting amplifiers using
IC741. Opamp as summer, integrator and
Diffrentiator.
3
2
Counter Design using Flip Flops.
8
3
Use of CRO, Function generator and power supply. 12
4
Realization of MUX and DEMUX.
17
5
Active Filter Design using OPAMPS.
20
6
To plot the speed torque characteristics of a dc motor. 22
7
25
To start and reverse the direction of an induction motor. To plot the speed torque characteristics of an induction motor.
8
Interfacing of microcontroller with dc motor and
LED.
27
9
Driving an LED/Relay/motor using 8051 microcontroller output ports.
29
10
To display alpha numeric characters using 8051.
31
2|Page
LMELE102 & 152 Unified Electrical Science
EXPERIMENT-1
Aim: Inverting and non-inverting amplifiers using IC741. Opamp as summer, integrator and Diffrentiator.
Equipment Required: CRO, Power supply, Function generator
Material Required: Op-Amp 741, resistor, Bread board, connecting wires.
PIN DIAGRAM 741
CIRCUIT DIAGRAM:-
3|Page
LMELE102 & 152 Unified Electrical Science
R1= 5KΩ,
R2= 10kΩ
DESIGN PROCEDURE:The gain of inverting amplifier is given by
The gain for non-inverting amplifier is given by
EXPERIMENTAL PROCEDURE:
1. Connect the circuit as shown in Fig.
2. Apply +12V to pin 7 and –12V to pin 4. Connect common terminal of power supply to ground on the breadboard.
3. Apply a dc voltage of 0.1V to the pin-2 of IC. Measure the output.
4|Page
LMELE102 & 152 Unified Electrical Science
4. Increase voltage in steps of 0.1V up to 1.0V and measure the output.
OBSERVATION TABLE:
S.NO
Vi(v)
Vo(v)
Gain(dB)
a) Inverting Summing Amplifier
Figure 2 shows an example of how an