Chapter 4 :OP-AMP & IT'S APPLICATIONS.

1. By
Mr. C.R.Shinde
Electrical Engineering Department
Matoshri College of Engineering & Research centre, Nashik

2. Unit 04: Operational Amplifier Applications.
Unit 4_Module1 Matoshri College of Engineering & Research Center Nashik 2
1. Introduction to Op-Amp
2. Op-Amp as zero crossing detector (ZCD) and comparator.
3. Op-Amp as Schmitt trigger.
4. Op-Amp as V-I and I-V converters.
5. Op-Amp as Instrumentation amplifier.
6. Waveform generation using Op-Amp - sine, square, saw
tooth and triangular generator.

3. Introduction to Op-Amp
Unit 4_Module1 Matoshri College of Engineering & Research Center Nashik 3

4. Introduction to Op-Amp
 Operational amplifier is electronics device.
 Performs a multiple arithmetic operations.
 Performs a signal amplification
 Hence name is “Operational Amplifier”.
 Abbreviated as “Op-Amp.”
Unit 4_Module1 Matoshri College of Engineering & Research Center Nashik 4

5. Op-Amp symbol & IC 741
Unit 4_Module1 Matoshri College of Engineering & Research Center Nashik 5

6. Dual Power supply
Unit 4_Module1 Matoshri College of Engineering & Research Center Nashik 6

7. Op-Amp Operating modes
1. Single input mode.(Single ended)
2. Differential mode.(Double ended)
3. Common mode.
Unit 4_Module1 Matoshri College of Engineering & Research Center Nashik 7

8. Single input mode.(Single ended)
Unit 4_Module1 Matoshri College of Engineering & Research Center Nashik 8
Inverted single ended mode Non-Inverted single ended mode

9. Differential mode.(Double ended)
Unit 4_Module1 Matoshri College of Engineering & Research Center Nashik 9

10. Common mode.
Unit 4_Module1 Matoshri College of Engineering & Research Center Nashik 10

11. Important Characteristics of Op-Amp.
Unit 4_Module1 Matoshri College of Engineering & Research Center Nashik 11

12. Open loop configuration
Unit 4_Module1 Matoshri College of Engineering & Research Center Nashik 12

13. Closed loop configuration
Unit 4_Module1 Matoshri College of Engineering & Research Center Nashik 13

14. Virtual short
Unit 4_Module1 Matoshri College of Engineering & Research Center Nashik 14

15. Thank you
Mr. C. R. Shinde
Electrical Engineering Department
Matoshri College of Engineering & Research centre, Nashik
If you have any query, ask me anytime on…… … .. . . .
cshinde58@gmail.com
chandrakant.shinde@matoshri.edu.in
9970031353
Unit 4_Module1 Matoshri College of Engineering & Research Center Nashik 15