dB Voltage Values
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by Greg Loskorn

dB Voltage Values


Revised: Greg Loskorn 3/27/99
db Voltage Values
0dbm=1.0mW into 600 ohms (0.775v)

      RMS Volts into:
dbm   200        600        1k        10k
25 7.953    13.77    17.78    56.23
20 4.472    7.746    10.00    31.62
15 2.515    4.356    5.623    17.78
10 1.414    2.449    3.162    10.00
5 .7953    1.377    1.778    5.623
4 .7088    1.228    1.585    5.012
3 .6317    1.094    1.413    4.467
2 .5630    .9752    1.259    3.981
1 .5018    .8691    1.122    3.548
0 .4472    .7746    1.000    3.162
-1 .3986    .6904    .8913    2.818
-2 .3552    .6153    .7943    2.512
-3 .3166    .5484    .7079    2.239
-10 .1414    .2449    .3162    1.000
-20 .0447    .0775    .1000    .3162
-30 .0141    .0245    .0316    .1000
-40 .0045    .0077    .0100    .0316
-50 .0014    .0024    .0032    .0100
-60 .0004    .0008    .0010    .0032
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