What should the plate current do in the...

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Question 1 of 20BUmVBnNMdm0ABSmk67uH

What should the plate current do in the operation of a Class B audio amplifier?

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Question 1 of 20

BUmVBnNMdm0ABSmk67uH

What should the plate current do in the operation of a Class B audio amplifier?

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🔍 Key Concepts

• Class B amplifier biasing and how the tube/transistor conducts over the signal cycle • Difference between plate (collector) current in Class A vs. Class B operation • Conduction angle (how many degrees of the waveform each device conducts) in Class B audio amplifiers

💭 Think About

• Think about whether the active device in a Class B amplifier conducts for the whole signal cycle or only part of it. How does that affect current flow? • Compare what happens to plate current when there is no input signal versus when a large audio signal is applied. • In an efficient audio power stage, should the DC current drawn at idle be high or low? What does that imply about how the plate current behaves with signal?

✅ Before You Answer

• Verify how Class B differs from Class A in terms of idle (no-signal) plate current. • Check whether plate current in Class B exists over the entire cycle or only the signal peaks. • Confirm which option best matches a plate current that responds to the audio signal waveform rather than staying at a fixed value.

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Question 1 of 20BUmVBnNMdm0ABSmk67uH

What should the plate current do in the operation of a Class B audio amplifier?

Back

Question 1 of 20

BUmVBnNMdm0ABSmk67uH

What should the plate current do in the operation of a Class B audio amplifier?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

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