User guide

Bird Technologies Group TX RX Systems Inc.
Voltage
Ratio
Power
Ratio
dB
Voltage
Ratio
Power
Ratio
1 1 0 1 1
0.989 0.977 0.1 1.012 1.023
0.977 0.955 0.2 1.023 1.047
0.966 0.933 0.3 1.035 1.072
0.955 0.912 0.4 1.047 1.096
0.944 0.891 0.5 1.059 1.122
0.933 0.871 0.6 1.072 1.148
0.923 0.851 0.7 1.084 1.175
0.912 0.832 0.8 1.096 1.202
0.902 0.813 0.9 1.109 1.23
0.891 0.794 1 1.122 1.259
0.881 0.776 1.1 1.135 1.288
0.871 0.759 1.2 1.148 1.318
0.861 0.741 1.3 1.161 1.349
0.851 0.724 1.4 1.175 1.38
0.841 0.708 1.5 1.189 1.413
0.832 0.692 1.6 1.202 1.445
0.822 0.676 1.7 1.216 1.479
0.813 0.661 1.8 1.23 1.514
0.804 0.646 1.9 1.245 1.549
0.794 0.631 2 1.259 1.585
0.785 0.617 2.1 1.274 1.622
0.776 0.603 2.2 1.288 1.66
0.767 0.589 2.3 1.303 1.698
0.759 0.575 2.4 1.318 1.738
0.75 0.562 2.5 1.334 1.778
0.741 0.55 2.6 1.349 1.82
0.733 0.537 2.7 1.365 1.862
0.724 0.525 2.8 1.38 1.905
0.716 0.513 2.9 1.396 1.95
0.708 0.501 3 1.413 1.995
0.7 0.49 3.1 1.429 2.042
0.692 0.479 3.2 1.445 2.089
0.684 0.468 3.3 1.462 2.138
0.676 0.457 3.4 1.479 2.188
0.668 0.447 3.5 1.496 2.239
0.661 0.437 3.6 1.514 2.291
0.653 0.427 3.7 1.531 2.344
0.646 0.417 3.8 1.549 2.399
0.638 0.407 3.9 1.567 2.455
0.631 0.398 4 1.585 2.512
0.624 0.389 4.1 1.603 2.57
0.617 0.38 4.2 1.622 2.63
0.61 0.372 4.3 1.641 2.692
0.603 0.363 4.4 1.66 2.754
0.596 0.355 4.5 1.679 2.818
0.589 0.347 4.6 1.698 2.884
0.582 0.339 4.7 1.718 2.951
0.575 0.331 4.8 1.738 3.02
0.569 0.324 4.9 1.758 3.09
0.562 0.316 5 1.778 3.162
0.556 0.309 5.1 1.799 3.236
0.55 0.302 5.2 1.82 3.311
0.543 0.295 5.3 1.841 3.388
0.537 0.288 5.4 1.862 3.467
0.531 0.282 5.5 1.884 3.548
0.525 0.275 5.6 1.905 3.631
0.519 0.269 5.7 1.928 3.715
0.513 0.263 5.8 1.95 3.802
0.507 0.257 5.9 1.972 3.89
0.501 0.251 6 1.995 3.981
0.496 0.246 6.1 2.018 4.074
0.49 0.24 6.2 2.042 4.169
0.484 0.234 6.3 2.065 4.266
0.479 0.229 6.4 2.089 4.365
0.473 0.224 6.5 2.113 4.467
0.468 0.219 6.6 2.138 4.571
0.462 0.214 6.7 2.163 4.677
0.457 0.209 6.8 2.188 4.786
0.452 0.204 6.9 2.213 4.898
0.447 0.2 7 2.239 5.012
0.442 0.195 7.1 2.265 5.129
0.437 0.191 7.2 2.291 5.248
0.432 0.186 7.3 2.317 5.37
0.427 0.182 7.4 2.344 5.495
0.422 0.178 7.5 2.371 5.623
0.417 0.174 7.6 2.399 5.754
0.412 0.17 7.7 2.427 5.888
0.407 0.166 7.8 2.455 6.026
0.403 0.162 7.9 2.483 6.166
0.398 0.159 8 2.512 6.31
0.394 0.155 8.1 2.541 6.457
0.389 0.151 8.2 2.57 6.607
0.385 0.148 8.3 2.6 6.761
0.38 0.145 8.4 2.63 6.918
0.376 0.141 8.5 2.661 7.079
0.372 0.138 8.6 2.692 7.244
0.367 0.135 8.7 2.723 7.413
0.363 0.132 8.8 2.754 7.586
0.359 0.129 8.9 2.786 7.762
0.355 0.126 9 2.818 7.943
0.351 0.123 9.1 2.851 8.128
0.347 0.12 9.2 2.884 8.318
0.343 0.118 9.3 2.917 8.511
0.339 0.115 9.4 2.951 8.71
0.335 0.112 9.5 2.985 8.913
0.331 0.11 9.6 3.02 9.12
0.327 0.107 9.7 3.055 9.333
0.324 0.105 9.8 3.09 9.55
0.32 0.102 9.9 3.126 9.772
Voltage
Ratio
Power
Ratio
dB
Voltage
Ratio
Power
Ratio
Power Ratio and Voltage Ratio to Decibel
Conversion Chart
Loss or Gain Power Ratio Voltage Ratio
+9.1 dB 8.128 2.851
-9.1 dB 0.123 0.351
- dB +- dB +