What is the main characteristic of a common-emitter BJT configuration?
Practice Questions
Q1
What is the main characteristic of a common-emitter BJT configuration?
High input impedance
Inverted output
Low voltage gain
No phase shift
Questions & Step-by-Step Solutions
What is the main characteristic of a common-emitter BJT configuration?
Step 1: Understand what a BJT is. A BJT (Bipolar Junction Transistor) is a type of transistor used to amplify or switch electronic signals.
Step 2: Learn about the common-emitter configuration. This is one of the three basic configurations of a BJT: common-emitter, common-base, and common-collector.
Step 3: Identify the input and output in a common-emitter configuration. The input is applied between the base and emitter, and the output is taken from the collector.
Step 4: Recognize the phase relationship. In a common-emitter configuration, when the input signal goes up, the output signal goes down, and vice versa.
Step 5: Conclude that this phase difference means the output is inverted. Specifically, the output signal is 180 degrees out of phase with the input signal.
