Question

Suppose that a signal of 22 dB is applied to a cable that has a loss of 7 dB . If an amplifier with a 12 dB gain is inserted into the cable at its opposite end, what is the output signal strength at that location? 

   Suppose that a signal of 22 dB is applied to a cable that has a loss of 7 dB . If an amplifier with a 12 dB gain is inserted into the cable at its opposite end, what is the output signal strength at that location?
Understanding Data Communications: From Fundamentals to Networking
Understanding Data Communications: From Fundamentals to Networking
Gilbert Held 3rd Edition
Chapter 3, Problem 5 ↓

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- Input signal strength = 22 dB - Cable loss = 7 dB - Amplifier gain = 12 dB  Show more…

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Suppose that a signal of 22 dB is applied to a cable that has a loss of 7 dB . If an amplifier with a 12 dB gain is inserted into the cable at its opposite end, what is the output signal strength at that location?
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