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Conversion Table/Decibels-Volts-Watts


DECIBELS - VOLTS - WATTS CONVERSION TABLE FOR A 50-OHM SYSTEM
dBm V Po dBm V Po dBm mV Po dBm V Po
+ 53 100.0 200 W 0 .225 1.0 mW - 49 0.80 - 98 2.9
+ 50 70.7 100 W - 1 .200 .80 mW - 50 0.71 .01 W - 99 2.51
+ 49 64.0 80 W - 2 .180 .64 mW - 51 0.64 - 100 2.25 1 pW
+ 48 58.0 64 W - 3 .160 .50 mW - 52 0.57 - 101 2.0
+ 47 50.0 50 W - 4 .141 .40 mW - 53 0.50 - 102 1.8
+ 46 44.5 40 W - 5 .125 .32 mW - 54 0.45 - 103 1.6
+ 45 40.0 32 W - 6 .115 .25 mW - 55 0.40 - 104 1.41
+ 44 32.5 25 W - 7 .100 .20 mW - 56 0.351 - 105 1.27
+ 43 32.0 20 W - 8 .090 .16 mW - 57 0.32 - 106 1.18
+ 42 28.0 16 W - 9 .080 .125 mW - 58 0.286
+ 41 26.2 12.5 W - 10 .071 .10 mW - 59 0.251 dBm nV
+ 40 22.5 10 W - 11 .064 - 60 0.225 .001 W - 107 1000
+ 39 20.0 8 W - 12 .058 - 61 0.200 - 108 900
+ 38 18.0 6.4 W - 13 .050 - 62 0.180 - 109 800
+ 37 16.0 5 W - 14 .045 - 63 0.160 - 110 710 .01 pW
+ 36 14.1 4 W - 15 .040 - 64 0.141 - 111 640
+ 35 12.5 3.2 W - 16 .0355 - 112 580
+ 34 11.5 2.5 W dBm V - 113 500
+ 33 10.0 2 W dBm mV - 65 128 - 114 450
+ 32 9.0 1.6 W - 17 31.5 - 66 115 - 115 400
+ 31 8.0 1.25 W - 18 28.5 - 67 100 - 116 355
+ 30 7.10 1.0 W - 19 25.1 - 68 90 - 117 825
+ 29 6.40 800 mW - 20 22.5 .01 mW - 69 80 - 118 285
+ 28 5.80 640 mW - 21 20.0 - 70 71 .1 nW - 119 251
+ 27 5.00 500 mW - 22 17.9 - 71 65 - 120 225 .001 pW
+ 26 4.45 400 mW - 23 15.9 - 72 58 - 121 200
+ 25 4.00 320 mW - 24 14.1 - 73 50 - 122 180
+ 24 3.55 250 mW - 25 12.8 - 74 45 - 123 160
+ 23 3.20 200 mW - 26 11.5 - 75 40 - 124 141
+ 22 2.80 160 mW - 27 10.0 - 76 35 - 125 128
+ 21 2.52 125 mW - 28 8.9 - 77 32 - 126 117
+ 20 2.25 100 mW - 29 8.0 - 78 29 - 127 100
+ 19 2.00 80 mW - 30 7.1 .001 mW - 79 25 - 128 90
+ 18 1.80 64 mW - 31 6.25 - 80 22.5 .01 nW - 129 80 .1 fW
+ 17 1.60 50 mW - 32 5.8 - 81 20.0 - 130 71
+ 16 1.41 40 mW - 33 5.0 - 82 18.0 - 131 61
+ 15 1.25 32 mW - 34 4.5 - 83 16.0 - 132 58
+ 14 1.15 25 mW - 35 4.0 - 84 11.1 - 133 50
+ 13 1.00 20 mW - 36 3.5 - 85 12.9 - 134 45
+ 12 .90 16 mW - 37 3.2 - 86 11.5 - 135 40
+ 11 .80 12.5 mW - 38 2.85 - 87 10.0 - 136 35
+ 10 .71 10 mW - 39 2.5 - 88 9.0 - 137 33
+ 9 .64 8 mW - 40 2.25 .1 W - 89 8.0 - 138 29
+ 8 .58 6.4 mW - 41 2.0 - 90 7.1 .001 nW - 139 25
+ 7 .500 5 mW - 42 1.8 - 91 6.1 - 140 23 .01 fW
+ 6 .445 4 mW - 43 1.6 - 92 5.75
+ 5 .400 3.2 mW - 44 1.4 - 93 5.0
+ 4 .355 2.5 mW - 45 1.25 - 94 4.5
+ 3 .320 2.0 mW - 46 1.18 - 95 4.0
+ 2 .280 1.6 mW - 47 1.00 - 96 3.51
+ 1 .252 1.25 mW - 48 0.90 - 97 3.2



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