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2-8
1705A Spectrum Monitor
Table 2- 1: dB Reference
Reading in dB Voltage Ratio Power Ratio Reading in dB Voltage Ratio Power Ratio
0.0 1.000 1.000 25.0 17.783 316.228
0.1 1.012 1.023 26.0 19.953 398.107
0.2 1.023 1.047 27.0 22.387 501.187
0.3 1.035 1.072 28.0 25.119 630.957
0.4 1.047 1.096 29.0 28.184 794.328
0.5 1.059 1.122 30.0 31.623 1000.000
0.6 1.072 1.148 31.0 35.481 1258.925
0.7 1.084 1.175 32.0 39.811 1584.893
0.8 1.096 1.202 33.0 44.668 1995.262
0.9 1.109 1.230 34.0 50.119 2511.886
1.0 1.122 1.259 35.0 56.234 3162.278
1.5 1.189 1.413 36.0 63.096 3981.072
2.0 1.259 1.585 37.0 70.795 5011.872
2.5 1.334 1.778 38.0 79.443 6309.573
3.0 1.413 1.995 39.0 89.125 7943.282
4.0 1.585 2.512 40.0 100.000 10000.000
5.0 1.778 3.162 41.0 112.202 12589.254
6.0 1.995 3.981 42.0 125.893 15848.932
7.0 2.239 5.012 43.0 141.254 19952.623
8.0 2.512 6.310 44.0 158.489 25118.864
9.0 2.818 7.943 45.0 177.828 31622.777
10.0 3.162 10.000 46.0 199.526 39810.717
11.0 3.548 12.589 47.0 223.872 50118.723
12.0 3.981 15.849 48.0 251.189 63095.734
13.0 4.467 19.953 49.0 281.838 79432.023
14.0 5.012 25.119 50.0 316.228 100000.000
15.0 5.623 31.623 51.0 354.813 125892.541
16.0 6.310 39.811 52.0 398.107 158489.319
17.0 7.079 50.119 53.0 446.684 199526.231
18.0 7.943 63.096 54.0 501.187 251188.643
19.0 8.913 79.433 55.0 562.341 316227.766
20.0 10.000 100.000 56.0 630.957 398107.171
21.0 11.220 125.893 57.0 707.946 501187.234
22.0 12.589 158.489 58.0 794.328 630957.344
23.0 14.125 199.526 59.0 891.251 794328.235
24.0 15.849 251.189 60.0 1000.00 1000000.000