B.5. Output Characteristics of BJT in the Common-Emitter Mode

The common-emitter terminal configuration can be considered the fundamental building block of BJT analog amplifier circuits. The common base and common collector are applied to some extent in more special-purpose roles, such as for high output resistance (common base) and low output resistance (common collector). Therefore, a study of the transistor in the common-emitter mode is basic to a study of analog circuits.

The output characteristic of the common-emitter transistor is defined as the output current (IC) as a function of the output terminal voltage (VCE) for IB (or VBE) held constant. It is very important to understand in the design of both analog and digital circuits. The output ...

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