Chapter 10
Feedback Amplifiers
Equivalent circuit of a current amplifier
Chapter Outline
The concepts introduced in this chapter are:
- Various types of amplifiers and distortion
- Need for feedback in an amplifier
- Types of feedback amplifiers
- Analysis of negative feedback amplifiers
10.1 TYPES OF AMPLIFIERS
Transistor amplifiers can be of various types. The amplifiers are designed to suit a specific requirement. So, amplifiers can be classified under various heads. Classification of amplifiers can be done in many ways. For example, they may be classified based on frequency of operation, type of coupling between the stages, input and output ...
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