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Conversion dBm ↔ Volt
dBm
Volt
+20.0
2.236
+19.9
2.210
+19.8
2.185
+19.7
2.160
+19.6
2.135
+19.5
2.111
+19.4
2.087
+19.3
2.063
+19.2
2.039
+19.1
2.016
+19.0
1.993
+18.9
1.970
+18.8
1.948
+18.7
1.925
+18.6
1.903
+18.5
1.881
+18.4
1.860
+18.3
1.839
+18.2
1.818
+18.1
1.797
+18.0
1.776
+17.9
1.756
+17.8
1.736
+17.7
1.716
+17.6
1.696
+17.5
1.677
+17.4
1.658
+17.3
1.639
+17.2
1.620
+17.1
1.601
+17.0
1.583
+16.9
1.565
+16.8
1.547
+16.7
1.529
+16.6
1.512
+16.5
1.494
+16.4
1.477
+16.3
1.460
+16.2
1.444
+16.1
1.427
Subject to change without notice
CONVERSION dBm → Volt
P
dBm
=
⋅
⋅
20
V
R P
10
0
0
with:
dBm
Volt
+16.0
1.411
+15.9
1.395
+15.8
1.379
+15.7
1.363
+15.6
1.347
+15.5
1.332
+15.4
1.317
+15.3
1.302
+15.2
1.287
+15.1
1.272
+15.0
1.257
+14.9
1.243
+14.8
1.229
+14.7
1.215
+14.6
1.201
+14.5
1.187
+14.4
1.174
+14.3
1.160
+14.2
1.147
+14.1
1.134
+14.0
1.121
+13.9
1.108
+13.8
1.095
+13.7
1.083
+13.6
1.070
+13.5
1.058
+13.4
1.046
+13.3
1.034
+13.2
1.022
+13.1
1.010
+13.0
0.999
+12.9
0.987
+12.8
0.976
+12.7
0.965
+12.6
0.954
+12.5
0.943
+12.4
0.932
+12.3
0.921
+12.2
0.911
+12.1
0.901
CONVERSION Volt → dBm
P
dBm
=
=
P
1
mW
and
R
50
0
dBm
Volt
dBm
+12.0
0.890
+8.0
+11.9
0.880
+7.9
+11.8
0.870
+7.8
+11.7
0.860
+7.7
+11.6
0.850
+7.6
+11.5
0.840
+7.5
+11.4
0.831
+7.4
+11.3
0.821
+7.3
+11.2
0.812
+7.2
+11.1
0.803
+7.1
+11.0
0.793
+7.0
+10.9
0.784
+6.9
+10.8
0.775
+6.8
+10.7
0.766
+6.7
+10.6
0.758
+6.6
+10.5
0.749
+6.5
+10.4
0.740
+6.4
+10.3
0.732
+6.3
+10.2
0.724
+6.2
+10.1
0.715
+6.1
+10.0
0.707
+6.0
+9.9
0.699
+5.9
+9.8
0.691
+5.8
+9.7
0.683
+5.7
+9.6
0.675
+5.6
+9.5
0.668
+5.5
+9.4
0.660
+5.4
+9.3
0.652
+5.3
+9.2
0.645
+5.2
+9.1
0.638
+5.1
+9.0
0.630
+5.0
+8.9
0.623
+4.9
+8.8
0.616
+4.8
+8.7
0.609
+4.7
+8.6
0.602
+4.6
+8.5
0.595
+4.5
+8.4
0.588
+4.4
+8.3
0.581
+4.3
+8.2
0.575
+4.2
+8.1
0.568
+4.1
V
=
⋅
0
20
log
⋅
R P
0
Ω
Volt
dBm
0.562
+4.0
0.555
+3.9
0.549
+3.8
0.543
+3.7
0.536
+3.6
0.530
+3.5
0.524
+3.4
0.518
+3.3
0.512
+3.2
0.506
+3.1
0.501
+3.0
0.495
+2.9
0.489
+2.8
0.484
+2.7
0.478
+2.6
0.473
+2.5
0.467
+2.4
0.462
+2.3
0.457
+2.2
0.451
+2.1
0.446
+2.0
0.441
+1.9
0.436
+1.8
0.431
+1.7
0.426
+1.6
0.421
+1.5
0.416
+1.4
0.412
+1.3
0.407
+1.2
0.402
+1.1
0.398
+1.0
0.393
+0.9
0.389
+0.8
0.384
+0.7
0.380
+0.6
0.375
+0.5
0.371
+0.4
0.367
+0.3
0.363
+0.2
0.358
+0.1
Volt
0.354
0.350
0.346
0.342
0.338
0.335
0.331
0.327
0.323
0.320
0.316
0.312
0.309
0.305
0.302
0.298
0.295
0.291
0.288
0.285
0.282
0.278
0.275
0.272
0.269
0.266
0.263
0.260
0.257
0.254
0.251
0.248
0.245
0.242
0.240
0.237
0.234
0.231
0.229
0.226
33
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