Amplifier Teaching Aid (DED Philippinen, 86 p.)
 (introduction...)
 Preface
 Introduction
 Lesson 1 - Semiconductor Review
 Lesson Plan
 (introduction...)
 Introduction
 Doping a semiconductor
 Diode
 Worksheet No. 1
 Experiment No. 1
 Lesson 2 - Bipolar Transistor
 Lesson Plan
 (introduction...)
 Introduction
 Transistor structures and symbols
 Transistor currents
 Current gain
 Transistor connections
 Worksheet No. 2
 Experiment No. 2
 Bipolar Transistor II
 Lesson Plan
 (introduction...)
 Introduction
 Collector curves (output)
 Transistor power dissipation
 Transistor test
 Worksheet No. 3
 Experiment No. 3
 First Evaluation
 Lesson 4 - Transistor Fundamentals
 Lesson Plan
 (introduction...)
 The operating point
 Recognizing saturation
 The transistor switch
 Worksheet No. 4
 Lesson 5 - Transistor Biasing
 Lesson Plan
 (introduction...)
 Transistor biasing
 Worksheet No. 5
 Lesson 6 - Transistor Biasing II
 Lesson Plan
 (introduction...)
 Transistor biasing II
 VDB analysis
 Worksheet No. 6
 Second Evaluation
 Lesson 7 - Small Signal Amplifier
 Lesson Plan
 (introduction...)
 Small signal amplifier
 Coupling capacitor
 Bypass capacitor
 Amplifier analyzing method
 Worksheet No. 7
 Experiment No. 4
 Lesson 8 - Small Signal Amplifier II
 Lesson Plan
 (introduction...)
 Signals in a CE amplifier
 Input impedance
 Impedance matching
 Handout No. 1
 Worksheet No. 8
 Lesson 9 - Small Signal Amplifier III
 Lesson Plan
 (introduction...)
 Other configurations
 Frequency response of an amplifier
 Handout No. 2
 Worksheet No. 9
 Lesson 10 - Large Signal Amplifier
 Lesson Plan
 (introduction...)
 Large signal amplifier
 Classes
 Class A power amplifier
 Class B power amplifier
 Class AB power amplifier
 Worksheet No. 10
 Third Evaluation

### 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