Why is coaxial cable often used for S-band...

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Question 1 of 20WbXVgm0DFo6q3iNSBS9h

Why is coaxial cable often used for S-band installations instead of a waveguide?

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Question 1 of 20

WbXVgm0DFo6q3iNSBS9h

Why is coaxial cable often used for S-band installations instead of a waveguide?

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🔍 Key Concepts

• S-band frequency range and how it compares to higher-frequency bands like X-band • How transmission line losses change with frequency in coaxial cable versus waveguide • Practical shipboard concerns: cost, mechanical complexity, ruggedness, and safety

💭 Think About

• Ask yourself: At S-band frequencies, are coaxial cables still reasonably efficient, or do they become excessively lossy like they do at much higher frequencies? • Consider the main advantages of waveguides: are they typically chosen for power handling, low loss at very high frequencies, or to solve mechanical problems? • Think about which options describe realistic engineering limitations versus exaggerated or unlikely problems with waveguides on ships.

✅ Before You Answer

• Verify whether waveguides are generally better or worse than coax for very high frequencies (above S-band) and long runs. • Check if safety and leakage from waveguide flanges is actually a common limiting factor in marine radar installations. • Consider whether cost and installation difficulty are major reasons designers might choose coax over waveguide when performance allows it.

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Question 1 of 20

Why is coaxial cable often used for S-band installations instead of a waveguide?

Losses can be kept reasonable at S-band frequencies and the installation cost is lower .

A waveguide will not support the power density required for modern S-band RADAR transmitters.

S-band waveguide flanges show too much leakage and are unsafe for use near personnel.

Dimensions for S-band waveguide do not permit a rugged enough installation for use by ships at sea.

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Question 1 / 20WbXVgm0DFo6q3iNSBS9h

Question 1 of 20WbXVgm0DFo6q3iNSBS9h

Why is coaxial cable often used for S-band installations instead of a waveguide?

Back

Question 1 of 20

WbXVgm0DFo6q3iNSBS9h

Why is coaxial cable often used for S-band installations instead of a waveguide?

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

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