Question

Assume the output power on a channel was measured to be one-quarter of the power input to the channel. Using the data in Table 3.1, determine the power ratio in dB . 

   Assume the output power on a channel was measured to be one-quarter of the power input to the channel. Using the data in Table 3.1, determine the power ratio in dB .
Understanding Data Communications: From Fundamentals to Networking
Understanding Data Communications: From Fundamentals to Networking
Gilbert Held 3rd Edition
Chapter 3, Problem 4 ↓

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The output power is one-quarter of the input power, which means: P_output = (1/4) × P_input  Show more…

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Assume the output power on a channel was measured to be one-quarter of the power input to the channel. Using the data in Table 3.1, determine the power ratio in dB .
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