Summary Of Transistor Bias Circuits
In figures below, npn transistors are shown. Supply voltage polarities are reversed for pnp transistors.
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Methods of Transistor Biasing
In the interest of simplicity and economy, it is desirable that transistor circuit should have a single source of supply—the one in the output circuit (i.e. VCC). The following are the
Transistor Base Bias
This method of biasing is common in switching circuits. Figure shows a base-biased transistor. The analysis of this circuit for the linear region shows that it is directly dependent on βDC.