Question 14.6: Express a power gain of 1400 in decibels....
Express a power gain of 1400 in decibels.
Step-by-Step
power gain (dB) = 10 \log_{10} \frac{P_{2}}{P_{1}} = 10 \log_{10} (1400) = 10 × 3.15 = 31.5 dB
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