In the AFC system, the discriminator...

Question 1 / 201wE1nN07EDzsS7Jabl11

Question 1 of 201wE1nN07EDzsS7Jabl11

In the AFC system, the discriminator compares the frequencies of the:

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Question 1 of 20

1wE1nN07EDzsS7Jabl11

In the AFC system, the discriminator compares the frequencies of the:

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🔍 Key Concepts

• AFC (Automatic Frequency Control) purpose in radar systems • Which component actually oscillates at the radar transmit frequency • Which component provides a stable reference frequency for comparison

💭 Think About

• In a typical marine radar, what device generates the main transmitting RF pulse? • For AFC to work, it needs to compare the variable transmit frequency against something stable. Which listed component is normally used as a stable frequency reference? • Look at each answer choice and ask: which pair makes sense for a frequency comparison circuit rather than for power amplification or video processing?

✅ Before You Answer

• Identify which device in the options is the transmitter oscillator (high‑power RF source). • Identify which device or circuit in the options could act as a stable reference or frequency-sensing element in the receiver front end. • Eliminate any option where one of the pair is a video-stage component (after detection) or is not primarily used as a frequency reference.

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Question 1 of 20

In the AFC system, the discriminator compares the frequencies of the:

Magnetron and klystron .

PRR generator and magnetron.

Magnetron and crystal detector.

Magnetron and video amplifier.

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Question 1 / 201wE1nN07EDzsS7Jabl11

Question 1 of 201wE1nN07EDzsS7Jabl11

In the AFC system, the discriminator compares the frequencies of the:

Back

Question 1 of 20

1wE1nN07EDzsS7Jabl11

In the AFC system, the discriminator compares the frequencies of the:

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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