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What is the limiting condition for sensitivity in a communications receiver?

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STgVOhqaPx80aK5IVcb5

What is the limiting condition for sensitivity in a communications receiver?

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🔍 Key Concepts

• Receiver sensitivity: what it means in radio/communications systems • Noise floor: background noise level inside the receiver and from external sources • Difference between noise-limited vs distortion-limited performance

💭 Think About

• Ask yourself: what ultimately prevents a receiver from detecting weaker and weaker signals, even if everything else is ideal? • Which of these options represents a constant background level that sets the minimum usable signal, rather than a problem that mainly appears at high signal levels? • Which items in the choices affect performance only when the signal becomes large, and which one matters most when the signal is very small?

✅ Before You Answer

• Identify which choice directly relates to the minimum detectable signal in a receiver. • Separate phenomena that occur at high input levels (like overloading or distortion) from those that dominate at very low input levels. • Verify which parameter is commonly used in data sheets to specify receiver sensitivity limits (often expressed in dBm or microvolts above a defined noise level).

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Question 1 of 20STgVOhqaPx80aK5IVcb5

What is the limiting condition for sensitivity in a communications receiver?

Back

Question 1 of 20

STgVOhqaPx80aK5IVcb5

What is the limiting condition for sensitivity in a communications receiver?

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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