Chapter 6
Transistor Biasing
Fixed-bias circuit
Chapter Outline
The concepts introduced in this chapter are:
- Load line and operating point
- Various biasing circuits
- Stability factors
- Stabilisation and compensation circuits
- Thermal runaway and condition to avoid it
6.1 INTRODUCTION
In order to use a transistor in a circuit, the transistor needs to be given appropriate dc voltages and currents after selection of the region of operation. This is called the biasing of a transistor. The transistor has to be biased properly by providing required voltages at its two junctions. The problem with the transistor biasing is that the transistor operating ...
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