Technical Library :
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Power Ratio
Current Ratio
Gain
10dB/10
10dB/20
Loss
1/(10dB/10)
1/(10dB/20)
Power ratio
dB
0.1
1.02
0.977
1.012
0.989
6.0
3.98
0.251
1.995
0.501
0.2
1.05
0.955
1.023
6.1
4.07
0.245
2.018
0.495
0.3
1.07
0.933
1.035
0.966
6.2
4.17
0.240
2.042
0.490
0.4
1.10
0.912
1.047
6.3
4.27
0.234
2.065
0.484
0.5
1.12
0.891
1.059
0.944
6.4
4.37
0.229
2.089
0.479
0.6
1.15
0.871
1.072
6.5
4.47
0.224
2.113
0.473
0.7
1.17
0.851
1.084
0.923
6.6
4.57
0.219
2.138
0.468
0.8
1.20
0.832
1.096
6.7
4.68
0.214
2.163
0.462
0.9
1.23
0.813
1.109
0.902
6.8
4.79
0.209
2.188
0.457
1.0
1.26
0.794
1.122
6.9
4.90
0.204
2.213
0.452
1.1
1.29
0.776
1.135
0.881
7.0
5.01
0.200
2.239
0.447
1.2
1.32
0.759
1.148
7.1
5.13
0.195
2.265
0.442
1.3
1.35
0.741
1.161
0.861
7.2
5.25
0.191
2.291
0.437
1.4
1.38
0.724
1.175
7.3
5.37
0.186
2.317
0.432
1.5
1.41
0.708
1.189
0.841
7.4
5.50
0.182
2.344
0.427
1.6
1.45
0.692
1.202
7.5
5.62
0.178
2.371
0.422
1.7
1.48
0.676
1.216
0.822
7.6
5.75
0.174
2.399
0.417
1.8
1.51
0.661
1.230
7.7
5.89
0.170
2.427
0.412
1.9
1.55
0.646
1.245
0.804
7.8
6.03
0.166
2.455
0.407
2.0
1.58
0.631
1.259
7.9
6.17
0.162
2.483
0.403
2.1
1.62
0.617
1.274
0.785
8.0
6.31
0.158
2.512
0.398
2.2
1.66
0.603
1.288
8.1
6.46
0.155
2.541
0.394
2.3
1.70
0.589
1.303
0.767
8.2
6.61
0.151
2.570
0.389
2.4
1.74
0.575
1.318
8.3
6.76
0.148
2.600
0.385
2.5
1.78
0.562
1.334
0.750
8.4
6.92
0.145
2.630
0.380
2.6
1.82
0.550
1.349
8.5
7.08
0.141
2.661
0.376
2.7
1.86
0.537
1.365
0.733
8.6
7.24
0.138
2.692
0.372
2.8
1.91
0.525
1.380
8.7
7.41
0.135
2.723
0.367
2.9
1.95
0.513
1.396
0.716
8.8
7.59
0.132
2.754
0.363
3.0
2.00
1.413
8.9
7.76
0.129
2.786
0.359
3.1
2.04
1.429
0.700
9.0
7.94
0.126
2.818
0.355
3.2
2.09
1.445
9.1
8.13
0.123
2.851
0.351
3.3
2.14
1.462
0.684
9.2
8.32
0.120
2.884
0.347
3.4
2.19
1.479
9.3
8.51
0.117
2.917
0.343
3.5
2.24
1.496
0.668
9.4
8.71
0.115
2.951
0.339
3.6
2.29
1.514
9.5
8.91
0.112
2.985
0.335
3.7
2.34
1.531
0.653
9.6
9.12
0.110
3.020
0.331
3.8
2.40
1.549
9.7
9.33
0.107
3.055
0.327
3.9
2.45
1.567
0.638
9.8
9.55
0.105
3.090
0.324
4.0
2.51
1.585
9.9
9.77
0.102
3.126
0.320
4.1
2.57
1.603
0.624
10.0
10.00
0.100
3.162
0.316
4.2
2.63
1.622
11.0
12.59
0.079
3.548
0.282
4.3
2.69
1.641
0.610
12.0
15.85
0.063
3.981
4.4
2.75
1.660
13.0
19.95
0.050
4.467
4.5
2.82
1.679
0.596
14.0
25.12
0.040
5.012
4.6
2.88
1.698
15.0
31.62
0.032
5.623
4.7
2.95
1.718
0.582
16.0
39.81
0.025
6.310
4.8
3.02
1.738
17.0
50.12
0.020
7.079
4.9
3.09
1.758
0.569
18.0
63.10
0.016
7.943
5.0
3.16
1.778
19.0
79.43
0.013
8.913
5.1
3.24
0.309
1.799
0.556
20.0
100.00
0.010
10.000
5.2
3.31
0.302
1.820
25.0
316.23
0.003
17.783
0.056
5.3
3.39
0.295
1.841
0.543
30.0
1000.00
0.001
31.623
5.4
3.47
0.288
1.862
35.0
3162.28
0.0003
56.234
0.018
5.5
3.55
1.884
0.531
40.0
10000.00
0.0001
100.000
5.6
3.63
0.275
1.905
45.0
31622.78
0.00003
177.828
0.006
5.7
3.72
0.269
1.928
0.519
50.0
100000.00
0.00001
316.228
5.8
3.80
0.263
1.950
55.0
316227.77
0.000003
562.341
0.002
5.9
3.89
0.257
1.972
0.507
60.0
1000000.00
0.000001
1000.000
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