デシベル |
電圧(0dBm=0.775V) |
電圧比 |
電力比 |
-80dB |
0.0775mV |
0.0001 |
0.00000001 |
-60dB |
0.775mV |
0.001 |
0.000001 |
-40dB |
7.75mV |
0.01 |
0.0001 |
-20dB |
77.50mV |
0.1 |
0.01 |
-10dB |
245mV |
0.3162 |
0.1 |
-9dB |
275mV |
0.3548 |
0.1259 |
-8dB |
309mV |
0.3981 |
0.1585 |
-7dB |
346mV |
0.4467 |
0.1995 |
-6dB |
388mV |
0.5012 |
0.2510 |
-5dB |
436mV |
0.5623 |
0.3162 |
-4dB |
489mV |
0.6310 |
0.3981 |
-3dB |
549mV |
0.7080 |
0.5012 |
-2dB |
616mV |
0.7943 |
0.6310 |
-1dB |
691mV |
0.8913 |
0.7943 |
0dB |
0.775V |
1 |
1 |
1dB |
0.870V |
1.122 |
1.259 |
2dB |
0.976V |
1.259 |
1.585 |
3dB |
1.095V |
1.413 |
1.995 |
4dB |
1.23V |
1.585 |
2.512 |
5dB |
1.38V |
1.778 |
3.162 |
6dB |
1.55V |
1.995 |
3.981 |
7dB |
1.74V |
2.239 |
5.012 |
8dB |
1.95V |
2.512 |
6.310 |
9dB |
2.18V |
2.818 |
7.943 |
10dB |
2.45V |
3.162 |
10.00 |
11dB |
2.75V |
3.548 |
12.59 |
12dB |
3.09V |
3.981 |
15.85 |
13dB |
3.46V |
4.467 |
19.95 |
14dB |
3.88V |
5.012 |
25.12 |
15dB |
4.36V |
5.623 |
31.62 |
16dB |
4.89V |
6.310 |
39.81 |
17dB |
5.49V |
7.079 |
50.12 |
18dB |
6.16V |
7.943 |
63.10 |
19dB |
6.91V |
8.913 |
79.43 |
20dB |
7.75V |
10 |
100 |
40dB |
77.5V |
100 |
10000 |
60dB |
775V |
1000 |
1000000 |
80dB |
7750V |
10000 |
100000000 |
dB=20log 10(電圧比) dB=10log
10(電力比) ART7
|
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Rights Reserved.
No Reproduction Without Permission.