Electronics and Communication Engineering - Microwave Communication - Discussion
Discussion Forum : Microwave Communication - Section 3 (Q.No. 8)
8.
A line has an attenuation of 0.054 Np/m. The attenuation in decibels is
Answer: Option
Explanation:
0.054 x 8.68 = 0.47 dB/m.
Discussion:
3 comments Page 1 of 1.
Suribabu j said:
8 years ago
Neper per meter (Np/m) is a unit used to express ratios, such as gain, loss, and relative values.
Then 2.718281828 is used in computing the ratio in Nepers. values of interest and ln is the natural logarithm, i.e, logarithm to the base, One neper Np /20 / (ln10) = 8.685889638 dB.
Then 2.718281828 is used in computing the ratio in Nepers. values of interest and ln is the natural logarithm, i.e, logarithm to the base, One neper Np /20 / (ln10) = 8.685889638 dB.
Niru said:
9 years ago
Please explain it.
Mhd said:
9 years ago
How 8.68 came?
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