How Operational Amplifiers performs its functionality based on the application?

1. APLLICATIONS OF OP-AMP
Mr. KARTHIKEYAN C M.E.,
ASSISTANT PROFESSOR,
DEPARTMENT OF ECE,
RMKCET

2. SIGN CHANGER, SCALE CHANGER

3. PHASE LAG CIRCUIT

4. PHASE LAG MAGNITUDE AND PHASE
PLOT

5. PHASE LEAD CIRCUIT

6. PHASE LEAD MAGNITUDE AND PHASE
PLOT

7. VOLTAGE –CURRENT CONVERTER
TRANSCONDUCTANCE AMPLIFIER
• INPUT
SENSOR V-I
DISPLAY

8. FLOATING LOAD

9. GROUNDED LOAD
APPLY KCL @ V1
NON INVERTING

10. APPLICATIONS VOLTAGE –CURRENT
CONVERTER
• Low Voltage D.C Voltmeter
• Low Voltage A.C Voltmeter
• Diode tester and Match finder
• Zener diode tester

11. CURRENT – VOLTAGE CONVERTER
TRANSRESISTANCE AMPLIFIER
• INPUT 1. V0 controlled by input current
2. DAQ- stores only interms of volatge
SENSOR I-V
DAQ

12. CURRENT – VOLTAGE CONVERTER
VIRTUAL GROUND
REDUCE 1.HF NOISE
2.OSCILLATIONS

13. APPLICATIONS CURRENT – VOLTAGE
CONVERTER
• Photo diode detector
• Photo FET Detector

14. ADDER
inverting op amp with Rcomp

15. INVERTING SUMMING AMPLIFIER
APPLY KCL, Va=0

16. INVERTING SUMMING AMPLIFIER

17. NON-INVERTING SUMMING
AMPLIFIER

18. SUBTRACTOR
1. all R equal value
2.Superposition principle

19. ADDER-SUBTRACTOR

20. V01, V02

21. V03, V04

22. ADDER-SUBTRACTOR

23. VOLTAGE FOLLOWER (BUFFER)
• From NON INVERTING AMPLIFIER,

24. INSTRUMENTATION AMPLIFIER
• Intro
• Features
• Single DA op amp circuit – analysis
• Problem- impedance mismatching
• To eliminate- voltage follower/buffer @ input
• Derivation
• Explain IA using Transducer bridge

25. PRECISION DIODE

26. HALF WAVE RECTIFIER

27. FULL WAVE RECTIFIER

29. PEAK DETECTOR

30. CLIPPER

32. CLAMPER