If a class B linear final R-F amplifier were...

Question 1 / 204zHsMbobBC4ID6MIvcCt

Question 1 of 204zHsMbobBC4ID6MIvcCt

If a class B linear final R-F amplifier were in saturation and no modulation what would happen when modulated?

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Question 1 of 20

4zHsMbobBC4ID6MIvcCt

If a class B linear final R-F amplifier were in saturation and no modulation what would happen when modulated?

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🔍 Key Concepts

• Class B linear RF amplifier operating point (conduction angle and bias) • Meaning of saturation vs normal linear region in an RF power amplifier • How modulation (especially AM) affects carrier amplitude and what carrier shift (positive vs negative) means

💭 Think About

• Think about where a Class B linear amplifier is normally biased on the tube/transistor characteristic curve. What does it mean for it to be in saturation instead? • When you apply modulation to a carrier in a stage that is already saturated, can the output still follow the modulation linearly, or will part of the modulation be cut off or distorted? • In AM, how does over‑driving (saturating) the RF stage affect the average carrier level: does it tend to increase (positive shift) or decrease (negative shift) the apparent carrier?

✅ Before You Answer

• Review that a Class B linear RF amplifier is normally used so that it stays in its linear region for all modulation peaks, not in saturation • Confirm what negative carrier shift means: carrier level dropping when modulation is applied instead of remaining constant • Check which options describe behavior that is inconsistent with saturation of a linear RF amplifier and can therefore be eliminated.

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Question 1 of 20

If a class B linear final R-F amplifier were in saturation and no modulation what would happen when modulated?

The carrier frequency would override the grid-plate current and the result would be positive shift resulting in amplification

The Class B linear amplifier only modulates below cut-off

A condition of negative carrier shift would be the result

Both A and B

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Question 1 / 204zHsMbobBC4ID6MIvcCt

Question 1 of 204zHsMbobBC4ID6MIvcCt

If a class B linear final R-F amplifier were in saturation and no modulation what would happen when modulated?

Back

Question 1 of 20

4zHsMbobBC4ID6MIvcCt

If a class B linear final R-F amplifier were in saturation and no modulation what would happen when modulated?

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?

Quick actions

— No credit card needed