Basic Bipolar Transistor Amplifiers and Biasing
Abstract
In this chapter, we cover some basic transistor topologies, including the common-emitter amplifier, emitter follower, as well as common-base and differential amplifiers. The important issue of biasing—connecting the transistor so that it operates in the forward-active region (FAR) where it can be used for amplification—is also discussed in detail.
Keywords
DC current gain; biasing; common-emitter amplifier; emitter follower; differential amplifier; shunt peaking; tuned amplifier
“Amplifier bias networks must be carefully designed to overcome two deficiencies in transistors. First, … transistor incremental parameters vary significantly with temperature. Second, substantial variations ...
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