1. CHOPPER AMPLIFIER Chop means sample.
Analog signal is sampled in this amplifier circuit.
Two Types:
Mechanical chopper
Non-mechanical chopper

2. CHOPPER AMPLIFIER USING A MECHANICAL SWITCH

3. NON-MECHANICAL PHOTO CONDUCTIVE CHOPPER AMPLIFIER

4. DIFFERENTIAL CHOPPER AMPLIFIER

5. ISOLATION AMPLIFIER (Iso-Amp)

6. BLOCK DIAGRAM OF ISOLATION AMPLIFIER

7. Symbol of Isolation Amplifier

8. Two cases of Iso-Amp Optical cable is used as Isolation Amplifier
Transformer is used as Isolation Amplifier

9. Transformer used as Isolation Amplifier

10. IMV
IMR
IMRR

11. ECG ISOLATION AMPLIFIER CIRCUIT