Idea 33-928 - Page 70

70
参考信息
dB值与功率表
dB
损耗
功率%
保留
功率% o
损失
1 79.00% 21.00%
2 63.00% 37.00%
3 50.00% 50.00%
4 40.00% 60.00%
5 32.00% 68.00%
6 25.00% 75.00%
7 20.00% 80.00%
8 16.00% 84.00%
9 12.00% 88.00%
10 10.00% 90.00%
11 8.00% 92.00%
12 6.30% 93.70%
13 5.00% 95.00%
14 4.00% 96.00%
15 3.20% 96.80%
16 2.50% 97.50%
17 2.00% 98.00%
18 1.60% 98.40%
19 1.30% 98.70%
20 1.00% 99.00%
25 0.30% 99.70%
30 0.10% 99.90%
40 0.01% 99.99%
50 0.00% 9999.90%