电压电平的单位dBm、dBu、dB
时间:2014-07-08 16:11
600Ω用dB换算表(以1mW为0dB) | ||||||
0dBm以下 | 电 平(dBm) | 0dBm以上 | ||||
电压(V) | 电流(mA) | 电功率(mW) | 电压(V) | 电流(mA) | 电功率(mW) | |
0.7746 | 1.291 | 1.000 | -0+ | 0.7746 | 1.291 | 1.000 |
0.695 | 1.151 | 0.7943 | 1 | 0.8691 | 1.448 | 1.259 |
0.6153 | 1.026 | 0.6310 | 2 | 0.9752 | 1.625 | 1.585 |
0.5484 | 0.9140 | 0.5012 | 3 | 1.094 | 1.823 | 1.995 |
0.4887 | 0.8145 | 0.3981 | 4 | 10228 | 2.047 | 2.512 |
0.4356 | 0.7260 | 0.3162 | 5 | 1.377 | 2.295 | 3.162 |
0.3882 | 0.6470 | 0.2512 | 6 | 1.546 | 2.577 | 3.981 |
0.3460 | 0.5767 | 0.1995 | 7 | 1.734 | 2.890 | 5.012 |
0.3084 | 0.5140 | 0.1585 | 8 | 1.946 | 3.243 | 6.310 |
0.2748 | 0.4580 | 0.1359 | 9 | 2.183 | 3.638 | 7.943 |
0.2449 | 0.4082 | 0.100 | 10 | 2.449 | 4.082 | 10.000 |
0.2183 | 0.3638 | 0.07943 | 11 | 2.748 | 4.580 | 12.59 |
0.1946 | 0.3243 | 0.06310 | 12 | 3.084 | 5.140 | 15.85 |
0.1734 | 0.2890 | 0.05012 | 13 | 3.460 | 5.767 | 19.95 |
0.1546 | 0.2577 | 0.03981 | 14 | 3.882 | 6.470 | 25.12 |
0.1377 | 0.2295 | 0.03162 | 15 | 4.356 | 7.260 | 31.62 |
0.1228 | 0.2047 | 0.02512 | 16 | 4.887 | 8.145 | 39.81 |
0.1494 | 0.1823 | 0.01995 | 17 | 5.484 | 9.140 | 50.12 |
0.09752 | 0.1626 | 0.01585 | 18 | 6.153 | 10.26 | 63.10 |
0.08691 | 0.1448 | 0.01259 | 19 | 6.905 | 11.51 | 79.43 |
0.07746 | 0.1291 | 0.01000 | -20+ | 7.746 | 12.91 | 100.00 |
0.04356 | 0.07260 | 0.00316 | 25 | 13.77 | 22.95 | 316.2 |
0.02449 | 0.04082 | 0.00100 | 30 | 24.49 | 40.82 | 1.000W |
0.01377 | 0.02295 | 0.000316 | 35 | 43.56 | 72.60 | 3.162W |
0.007746 | 0.01291 | 0.000100 | 40 | 77.46 | 129.00 | 10.000W |
0.004356 | 0.007260 | 0.0000316 | 45 | 137.7 | 229.5 | 31.62W |
0.002449 | 0.004082 | 0.00001 | 50 | 244.9 | 408.2 | 100W |
0.001377 | 0.002295 | 0.00000316 | 55 | 435.6 | 726.0 | 316.2W |
0.0007746 | 0.001291 | 0.000001 | 60 | 774.6 | 1.291A | 1000W |
0.0004356 | 0.0007260 | 0.000000316 | 65 | 1377 | 2.295A | 3162W |
0.0002449 | 0.0004082 | 0.0000001 | 70 | 2449 | 4.082A | 10000W |
0.0001377 | 0.0002295 | 0.0000000316 | 75 | 4356 | 7.260A | 31620W |
0.00007746 | 0.0001291 | 0.00000001 | 80 | 7746 | 12.910A | 100000W |