Worksheet No. 10

No. 1 Explain the difference between class A and class B power operation.

No. 2 Draw a circuit of a complementary push pull amplifier.

No. 3 Why is the efficiency of a class A power amplifier so low?

No. 4 In the graph below you see the Q points of different power amplifiers. Which Q point belongs to which type of power amplifier?

Label the graph!

Figure