In electronics, a common-emitter amplifier is one of three basic single-stage bipolar-junction-transistor (BJT) amplifier topologies, typically used as a voltage amplifier. It offers high current gain (typically 200), medium input resistance and a high output resistance.

What is common emitter in semiconductor?

Class 12 Physics Semiconductor Electronics. Common Emitter characteristics. Common Emitter characteristics. When the transistor is used in Common Emitter configuration, the input is measured between the base and the emitter; the output is measured between the collector and the emitter. Input characteristics.

What is common emitter base?

In common emitter configuration, base is the input terminal, collector is the output terminal and emitter is the common terminal for both input and output. ... Thus, the emitter terminal of a transistor is common for both input and output and hence it is named as common emitter configuration.