DBm - volts - watts conversion - Mini-Circuits

[Pages:2]dBm - volts - watts conversion

(50-ohm system)

dBm

+53 +50 +49 +48 +47 +46 +45 +44 +43 +42 +41 +40 +39 +38 +37 +36 +35 +34 +33 +32 +31 +30 +29 +28 +27 +26 +25 +24 +23 +22 +21 +20 +19 +18 +17 +16 +15 +14 +13 +12 +11 +10 +9 +8 +7 +6 +5 +4 +3 +2 +1

V

100.0 70.7 64.0 58.0 50.0 44.5 40.0 32.5 32.0 28.0 26.2 22.5 20.0 18.0 16.0 14.1 12.5 11.5 10.0 9.0 8.0 7.10 6.40 5.80 5.00 4.45 4.00 3.55 3.20 2.80 2.52 2.25 2.00 1.80 1.60 1.41 1.25 1.15 1.00 .90 .80 .71 .64 .58 .500 .445 .400 .355 .320 .280 .252

Po

200W 100W 80W 64W 50W 40W 32W 25W 20W 16W 12.5W 10W

8W 6.4W 5W 4W 3.2W 2.5W 2W 1.6W 1.25W 1.0W 800 mW 640 mW 500 mW 400 mW 320 mW 250 mW 200 mW 160 mW 125 mW 100 mW 80 mW 64 mW 50 mW 40 mW 32 mW 25 mW 20 mW 16 mW 12.5 mW 10 mW 8 mW 6.4 mW 5 mW 4 mW 3.2 mW 2.5 mW 2.0 mW 1.6 mW 1.25 mW

dBm

0 -1 -2 -3 -4 -5 -6 -7 -8 -9 -10 -11 -12 -13 -14 -15 -16

dBm -17 -18 -19 -20 -21 -22 -23 -24 -25 -26 -27 -28 -29 -30 -31 -32 -33 -34 -35 -36 -37 -38 -39 -40 -41 -42 -43 -44 -45 -46 -47 -48

V

Po

.225 .200 .180 .160 .141 .125 .115 .100 .090 .080 .071 .064 .058 .050 .045 .040 .0355

1.0 mW .80 mW .64 mW .50 mW .40 mW .32 mW .25 mW .20 mW .16 mW .125 mW .10 mW

mV 31.5 28.5 25.1 22.5 20.0 17.9 15.9 14.1 12.8 11.5 10.0

8.9 8.0 7.1 6.25 5.8 5.0 4.5 4.0 3.5 3.2 2.85 2.5 2.25 2.0 1.8 1.6 1.4 1.25 1.18 1.00 0.90

.01 mW .001mW

.1W

dBm

-49 -50 -51 -52 -53 -54 -55 -56 -57 -58 -59 -60 -61 -62 -63 -64

mV

0.80 0.71 0.64 0.57 0.50 0.45 0.40 0.351 0.32 0.286 0.251 0.225 0.200 0.180 0.160 0.141

dBm -65 -66 -67 -68 -69 -70 -71 -72 -73 -74 -75 -76 -77 -78 -79 -80 -81 -82 -83 -84 -85 -86 -87 -88 -89 -90 -91 -92 -93 -94 -95 -96 -97

V 128 115 100

90 80 71 65 58 50 45 40 35 32 29 25 22.5 20.0 18.0 16.0 11.1 12.9 11.5 10.0

9.0 8.0 7.1 6.1 5.75 5.0 4.5 4.0 3.51 3.2

Po .01 W .001 W

.1nW .01 nW .001 nW

dBm

V

-98

2.9

-99 2.51

-100 2.25

-101 2.0

-102 1.8

-103 1.6

-104 1.41

-105 1.27

-106 1.18

dBm -107 -108 -109 -110 -109 -112 -113 -114 -115 -116 -117 -118 -119 -120 -121 -122 -123 -124 -125 -126 -127 -128 -129 -130 -131 -132 -133 -134 -135 -136 -137 -138 -139 -140

nV 1000 900 800 710 640 580 500 450 400 355 825 285 251 225 200 180 160 141 128 117 100

90 80 71 61 58 50 45 40 35 33 29 25 23

Po .1 pW

.01 pW .001 pW

.1W .01W

030609

110

Mini-Circuits?

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return loss Vs. VSWR

table of return loss vs. voltage standing wave ratio

RETURN LOSS VSWR (dB)

46.064 1.01 40.086 1.02 36.607 1.03 34.151 1.04 32.256 1.05 30.714 1.06 29.417 1.07 28.299 1.08 27.318 1.09 26.444 1.10 25.658 1.11 24.943 1.12 24.289 1.13 23.686 1.14 23.127 1.15 22.607 1.16 22.120 1.17 21.664 1.18 21.234 1.19 20.828 1.20 20.443 1.21 20.079 1.22 19.732 1.23 19.401 1.24 19.085 1.25 18.783 1.26 18.493 1.27 18.216 1.28 17.949 1.29 17.690 1.30 17.445 1.31 17.207 1.32 16.977 1.33 16.755 1.34 16.540 1.35 16.332 1.36 16.131 1.37 15.936 1.38 15.747 1.39 15.563 1.40 15.385 1.41 15.211 1.42 15.043 1.43 14.879 1.44 14.719 1.45 14.564 1.46 14.412 1.47 14.264 1.48 14.120 1.49 13.979 1.50

RETURN LOSS VSWR (dB)

13.842 1.51 13.708 1.52 13.577 1.53 13.449 1.54 13.324 1.55 13.201 1.56 13.081 1.57 12.964 1.58 12.849 1.59 12.736 1.60 12.625 1.61 12.518 1.62 12.412 1.63 12.308 1.64 12.207 1.65 12.107 1.66 12.009 1.67 11.913 1.68 11.818 1.69 11.725 1.70 11.634 1.71 11.545 1.72 11.457 1.73 11.370 1.74 11.285 1.75 11.202 1.76 11.120 1.77 11.039 1.78 10.960 1.79 10.881 1.80 10.804 1.81 10.729 1.82 10.654 1.83 10.581 1.84 10.509 1.85 10.437 1.86 10.367 1.87 10.298 1.88 10.230 1.89 10.163 1.90 10.097 1.91 10.032 1.92

9.968 1.93 9.904 1.94 9.842 1.95 9.780 1.96 9.720 1.97 9.660 1.98 9.601 1.99 9.542 2.00

RETURN LOSS (dB)

9.485 9.428 9.372 9.317 9.262 9.208 9.155 9.103 9.051 8.999 8.949 8.899 8.849 8.800 8.752 8.705 8.657 8.611 8.565 8.519 8.474 8.430 8.386 8.342 8.299 8.257 8.215 8.173 8.138 8.091 8.051 8.011 7.972 7.933 7.894 7.856 7.818 7.781 7.744 7.707 7.671 7.635 7.599 7.564 7.529 7.494 7.460 7.426 7.393 7.360

VSWR

2.01 2.02 2.03 2.04 2.05 2.06 2.07 2.08 2.09 2.10 2.11 2.12 2.13 2.14 2.15 2.16 2.17 2.18 2.19 2.20 2.21 2.22 2.23 2.24 2.25 2.26 2.27 2.28 2.29 2.30 2.31 2.32 2.33 2.34 2.35 2.36 2.37 2.38 2.39 2.40 2.41 2.42 2.43 2.44 2.45 2.46 2.47 2.48 2.49 2.50

RETURN LOSS (dB)

7.327 7.294 7.262 7.230 7.198 7.167 7.135 7.105 7.074 7.044 7.014 6.984 6.954 6.925 6.896 6.867 6.839 6.811 6.783 6.755 6.728 6.700 6.673 6.646 6.620 6.594 6.567 6.541 6.516 6.490 6.465 6.440 6.415 6.390 6.366 6.341 6.317 6.293 6.270 6.246 6.223 6.200 6.177 6.154 6.131 6.109 6.086 6.064 6.042 6.021

VSWR

2.51 2.52 2.53 2.54 2.55 2.56 2.57 2.58 2.59 2.60 2.61 2.62 2.63 2.64 2.65 2.66 2.67 2.68 2.69 2.70 2.71 2.72 2.73 2.74 2.75 2.76 2.77 2.78 2.79 2.80 2.81 2.82 2.83 2.84 2.85 2.86 2.87 2.88 2.89 2.90 2.91 2.92 2.93 2.94 2.95 2.96 2.97 2.98 2.99 3.00

RETURN LOSS (dB)

5.999 5.970 5.956 5.935 5.914 5.893 5.872 5.852 5.832 5.811 5.791 5.771 5.751 5.732 5.712 5.693 5.674 5.654 5.635 5.617 5.598 5.579 5.561 5.542 5.524 5.506 5.488 5.470 5.452 5.435 5.417 5.400 5.383 5.365 5.348 5.331 5.315 5.298 5.281 5.265 5.248 5.232 5.216 5.200 5.184 5.168 5.152 5.137 5.121 5.105

VSWR

3.01 3.02 3.03 3.04 3.05 3.06 3.07 3.08 3.09 3.10 3.11 3.12 3.13 3.14 3.15 3.16 3.17 3.18 3.19 3.20 3.21 3.22 3.23 3.24 3.25 3.26 3.27 3.28 3.29 3.30 3.31 3.32 3.33 3.34 3.35 3.36 3.37 3.38 3.39 3.40 3.41 3.42 3.43 3.44 3.45 3.46 3.47 3.48 3.49 3.50

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