The class AB amplifier output is present for...

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Question 1 of 20dgiiVZE6RxDWTU19b9cv

The class AB amplifier output is present for what portion of the input cycle?

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Question 1 of 20

dgiiVZE6RxDWTU19b9cv

The class AB amplifier output is present for what portion of the input cycle?

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🔍 Key Concepts

• Class A vs Class B vs Class AB amplifier conduction angles • Relationship between degrees of conduction and portion of input signal cycle • How overlap of conduction in push-pull stages affects distortion and efficiency

💭 Think About

• First, recall how many degrees of the input cycle a Class A amplifier conducts, then how many degrees a Class B amplifier conducts. Where would a hybrid between these two logically fall? • Think about why Class AB amplifiers were developed compared to pure Class B. What conduction characteristic reduces crossover distortion? • Visualize the sine wave input over 360 degrees. For Class AB, over how much of this 360-degree cycle does at least one device conduct?

✅ Before You Answer

• Verify the conduction angle definition: it’s the part of the 360° input cycle during which the output device conducts current. • Compare choices with known values: Class A ~ 360°, Class B ~ 180°, Class C < 180°. • Confirm that Class AB is designed to have a conduction angle between Class A and Class B, not exactly equal to either.

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Question 1 of 20dgiiVZE6RxDWTU19b9cv

The class AB amplifier output is present for what portion of the input cycle?

Back

Question 1 of 20

dgiiVZE6RxDWTU19b9cv

The class AB amplifier output is present for what portion of the input cycle?

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

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