What is the approximate DC input power to a...

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Question 1 of 20BitsHbBlbmunsnM2LDBW

What is the approximate DC input power to a Class AB RF power amplifier stage in an unmodulated carrier transmitter when the PEP output power is 500 watts?

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Question 1 of 20

BitsHbBlbmunsnM2LDBW

What is the approximate DC input power to a Class AB RF power amplifier stage in an unmodulated carrier transmitter when the PEP output power is 500 watts?

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🔍 Key Concepts

• Class AB amplifier efficiency for RF power stages • Relationship between RF output power and DC input power • How unmodulated carrier operation affects average power in a linear RF amplifier

💭 Think About

• What is a realistic efficiency range (percentage) for a Class AB RF power amplifier, not a theoretical ideal? • If the amplifier outputs 500 W of RF and is, for example, 50–70% efficient, what approximate DC input power would be required? • Which answer choices are clearly too low or too high once you apply a reasonable efficiency estimate?

✅ Before You Answer

• Estimate a reasonable efficiency (not 100%) for a Class AB RF stage used in transmitters • Use DC Input Power ≈ RF Output Power ÷ Efficiency and keep units in watts • Eliminate options that would imply an impossible efficiency (greater than 100% or unrealistically high/low for Class AB)

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Question 1 of 20BitsHbBlbmunsnM2LDBW

What is the approximate DC input power to a Class AB RF power amplifier stage in an unmodulated carrier transmitter when the PEP output power is 500 watts?

Back

Question 1 of 20

BitsHbBlbmunsnM2LDBW

What is the approximate DC input power to a Class AB RF power amplifier stage in an unmodulated carrier transmitter when the PEP output power is 500 watts?

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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