Amateur Extra › E7 Practical Circuits › E7B04
E7B04
What is the operating point of a Class A common emitter amplifier?
Pick an answer to check it.
Answer: A. Approximately halfway between saturation and cutoff
A Class A amplifier is biased about halfway between saturation and cutoff. That lets the signal swing equally in both directions without clipping.
Tip: Class A sits in the middle.