An MF-HF transceiver works properly on voice...

Question 1 / 209nqb7iea4iSQyn8EjGxK

Question 1 of 209nqb7iea4iSQyn8EjGxK

An MF-HF transceiver works properly on voice but not SITOR (NBDP). What is the most likely source of the problem?

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Question 1 of 20

9nqb7iea4iSQyn8EjGxK

An MF-HF transceiver works properly on voice but not SITOR (NBDP). What is the most likely source of the problem?

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🔍 Key Concepts

• Difference between voice and SITOR/NBDP operation on MF-HF sets • Role of filters and bandwidth in digital vs voice modes • Which stages (RF, audio, IF, PLL) are common to both modes and which are more critical to narrow‑band data

💭 Think About

• If voice works normally, which parts of the transceiver signal chain are definitely functioning? • Which of the listed components is specifically associated with the narrow bandwidth required for SITOR/NBDP? • Think about where a failure would affect only SITOR and not ordinary voice communications.

✅ Before You Answer

• Identify which stages are shared by both voice and SITOR (these are less likely the cause). • Recall typical bandwidth requirements: voice vs a narrow‑band direct printing mode like SITOR/NBDP. • Match each option to the function it serves in the receiver: RF amplifier, audio amplifier, IF filter, phase‑locked loop.

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Question 1 of 20

An MF-HF transceiver works properly on voice but not SITOR (NBDP). What is the most likely source of the problem?

The 500 Hz I.F. filter has failed.

The audio amplifier has failed.

The phase locked loop circuit has failed.

The R.F. amplifier has failed.

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Question 1 / 209nqb7iea4iSQyn8EjGxK

Question 1 of 209nqb7iea4iSQyn8EjGxK

An MF-HF transceiver works properly on voice but not SITOR (NBDP). What is the most likely source of the problem?

Back

Question 1 of 20

9nqb7iea4iSQyn8EjGxK

An MF-HF transceiver works properly on voice but not SITOR (NBDP). What is the most likely source of the problem?

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