What is the effective radiated power of a...

Question 1 / 200Kens0k9a5Nn2VNe41Ms

Question 1 of 200Kens0k9a5Nn2VNe41Ms

What is the effective radiated power of a repeater with 100 watts transmitter power output, 4 dB feedline loss, 3 dB duplexer and circulator loss, and 7 dB antenna gain?

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Question 1 of 20

0Kens0k9a5Nn2VNe41Ms

What is the effective radiated power of a repeater with 100 watts transmitter power output, 4 dB feedline loss, 3 dB duplexer and circulator loss, and 7 dB antenna gain?

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🔍 Key Concepts

• dB (decibel) to power ratio conversion for gains and losses • How to combine multiple dB values (add or subtract) before converting to a power factor • Definition of Effective Radiated Power (ERP) in terms of transmitter power, system losses, and antenna gain

💭 Think About

• Should you convert each dB gain/loss to a power ratio first, or is it easier to add the dB numbers together and then convert once? • When you have both losses and gains in dB, which ones should be treated as negative and which as positive before summing? • Once you have the total dB change, how do you convert that back into a multiplication factor to apply to the 100-watt transmitter power?

✅ Before You Answer

• Be sure to treat losses as negative dB and gains as positive dB when summing. • Double-check your dB to linear power conversion, especially for 3 dB, 4 dB, and 7 dB values. • After applying the net gain/loss factor to 100 watts, compare the result carefully to the closest matching choice among the options.

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Question 1 of 20

What is the effective radiated power of a repeater with 100 watts transmitter power output, 4 dB feedline loss, 3 dB duplexer and circulator loss, and 7 dB antenna gain?

631 watts.

400 watts.

25 watts.

100 watts.

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Question 1 / 200Kens0k9a5Nn2VNe41Ms

Question 1 of 200Kens0k9a5Nn2VNe41Ms

What is the effective radiated power of a repeater with 100 watts transmitter power output, 4 dB feedline loss, 3 dB duplexer and circulator loss, and 7 dB antenna gain?

Back

Question 1 of 20

0Kens0k9a5Nn2VNe41Ms

What is the effective radiated power of a repeater with 100 watts transmitter power output, 4 dB feedline loss, 3 dB duplexer and circulator loss, and 7 dB antenna gain?

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