1-40
Log or dB
Gain or mw
11
12.5
10
10
9
8
8
6.25
7
5
6
4
5
3.125
4
2.5
3
2
2
1.6
1
1.25
0
1
-1
0.8
-2
0.625
-3
0.5
-4
0.4
-5
0.312
-6
0.25
-7
0.2
-8
0.16
-9
0.125
-10
0.1
-11
0.08
The figures in the above listing are not precise, but are accurate for most applications. For figures in
between the above numbers, logarithm interpolation must be done. Table 1-34 provides a seven-place
table of common logarithms.
The following are examples of power conversion:
Example 1: