Electrical Engineering Glossary Definition for Class A

Definition

The simplest type of amplifier, class A amplifiers are those in which the output transistors conduct (i.e. do not fully turn off) irrespective of the output signal waveform. This type of amplifier is typically associated with high linearity but low efficiency.

Synonyms

• Linear Amplifier

See Also

• Amplifier
• Amplifier Class
• Class B
• Class AB
• Class C
• Class D
• Class G
• Class H
• Gain
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