4.1 State the need for power amplifier

 

4.2 Compare voltage and power amplifier

 

4.3 Classify power amplifiers based on period of conduction

 

4.4 Explain the working of Class A, Class B, Class AB and Class C amplifiers with waveforms

 

4.5 Explain the working of Class-B Push-pull amplifier with circuit diagram

 

4.6 Explain the working of complementary symmetry Push-pull power amplifier with circuit diagram

 

4.7 List different distortions in power amplifiers

 

4.8 Explain the working of Class-AB Push-pull amplifier circuit

 

4.9 Mention the applications of Class C Amplifiers

 

4.10 Compare efficiency of different types of power amplifiers

 

4.11 Draw the circuit diagrams of single and double tuned amplifiers and give their frequency response curves.