"Dbm/Volts/Watts Conversion Chart, Return Loss VS. Vswr Chart - Mini-Circuits" - Brooklyn, New York

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dBm - volts - watts conversion
(50-ohm system)
μ μ μ μ μ V
dBm
V
P
dBm
V
P
dBm
mV
P
dBm
P
o
o
o
o
+53
100.0
200W
0
.225
1.0 mW
-49
0.80
-98
2.9
.01 μW
+50
70.7
100W
-1
.200
.80 mW
-50
0.71
-99
2.51
+49
64.0
80W
-2
.180
.64 mW
-51
0.64
-100
2.25
.1 pW
+48
58.0
64W
-3
.160
.50 mW
-52
0.57
-101
2.0
+47
50.0
50W
-4
.141
.40 mW
-53
0.50
-102
1.8
+46
44.5
40W
-5
.125
.32 mW
-54
0.45
-103
1.6
+45
40.0
32W
-6
.115
.25 mW
-55
0.40
-104
1.41
+44
32.5
25W
-7
.100
.20 mW
-56
0.351
-105
1.27
+43
32.0
20W
-8
.090
.16 mW
-57
0.32
-106
1.18
+42
28.0
16W
-9
.080
.125 mW
-58
0.286
+41
26.2
12.5W
-10
.071
.10 mW
-59
0.251
dBm
nV
.001 μW
+40
22.5
10W
-11
.064
-60
0.225
-107
1000
+39
20.0
8W
-12
.058
-61
0.200
-108
900
+38
18.0
6.4W
-13
.050
-62
0.180
-109
800
+37
16.0
5W
-14
.045
-63
0.160
-110
710
.01 pW
+36
14.1
4W
-15
.040
-64
0.141
-109
640
+35
12.5
3.2W
-16
.0355
-112
580
μ μ μ μ μ V
+34
11.5
2.5W
dBm
-113
500
+33
10.0
2W
dBm
mV
-65
128
-114
450
+32
9.0
1.6W
-17
31.5
-66
115
-115
400
+31
8.0
1.25W
-18
28.5
-67
100
-116
355
+30
7.10
1.0W
-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
.1nW
-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
.001mW
-79
25
-128
90
+18
1.80
64 mW
-31
6.25
-80
22.5
.01 nW
-129
80
+17
1.60
50 mW
-32
5.8
-81
20.0
-130
71
.1ƒW
+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
.1μW
-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
.01ƒW
+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
Mini-Circuits
®
INTERNET http://www.minicircuits.com
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
Distribution Centers NORTH AMERICA 800-654-7949 • 417-335-5935 • Fax 417-335-5945 • EUROPE 44-1252-832600 • Fax 44-1252-837010
110
Mini-Circuits ISO 9001 & ISO 14001 Certified
dBm - volts - watts conversion
(50-ohm system)
μ μ μ μ μ V
dBm
V
P
dBm
V
P
dBm
mV
P
dBm
P
o
o
o
o
+53
100.0
200W
0
.225
1.0 mW
-49
0.80
-98
2.9
.01 μW
+50
70.7
100W
-1
.200
.80 mW
-50
0.71
-99
2.51
+49
64.0
80W
-2
.180
.64 mW
-51
0.64
-100
2.25
.1 pW
+48
58.0
64W
-3
.160
.50 mW
-52
0.57
-101
2.0
+47
50.0
50W
-4
.141
.40 mW
-53
0.50
-102
1.8
+46
44.5
40W
-5
.125
.32 mW
-54
0.45
-103
1.6
+45
40.0
32W
-6
.115
.25 mW
-55
0.40
-104
1.41
+44
32.5
25W
-7
.100
.20 mW
-56
0.351
-105
1.27
+43
32.0
20W
-8
.090
.16 mW
-57
0.32
-106
1.18
+42
28.0
16W
-9
.080
.125 mW
-58
0.286
+41
26.2
12.5W
-10
.071
.10 mW
-59
0.251
dBm
nV
.001 μW
+40
22.5
10W
-11
.064
-60
0.225
-107
1000
+39
20.0
8W
-12
.058
-61
0.200
-108
900
+38
18.0
6.4W
-13
.050
-62
0.180
-109
800
+37
16.0
5W
-14
.045
-63
0.160
-110
710
.01 pW
+36
14.1
4W
-15
.040
-64
0.141
-109
640
+35
12.5
3.2W
-16
.0355
-112
580
μ μ μ μ μ V
+34
11.5
2.5W
dBm
-113
500
+33
10.0
2W
dBm
mV
-65
128
-114
450
+32
9.0
1.6W
-17
31.5
-66
115
-115
400
+31
8.0
1.25W
-18
28.5
-67
100
-116
355
+30
7.10
1.0W
-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
.1nW
-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
.001mW
-79
25
-128
90
+18
1.80
64 mW
-31
6.25
-80
22.5
.01 nW
-129
80
+17
1.60
50 mW
-32
5.8
-81
20.0
-130
71
.1ƒW
+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
.1μW
-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
.01ƒW
+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
Mini-Circuits
®
INTERNET http://www.minicircuits.com
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
Distribution Centers NORTH AMERICA 800-654-7949 • 417-335-5935 • Fax 417-335-5945 • EUROPE 44-1252-832600 • Fax 44-1252-837010
110
Mini-Circuits ISO 9001 & ISO 14001 Certified
Mini-Circuits
Mini-Circuits
®
return loss Vs. VSWR
table of return loss vs. voltage standing wave ratio
RETURN
RETURN
RETURN
RETURN
RETURN
LOSS
VSWR
LOSS
VSWR
LOSS
VSWR
LOSS
VSWR
LOSS
VSWR
(dB)
(dB)
(dB)
(dB)
(dB)
46.064
1.01
13.842
1.51
9.485
2.01
7.327
2.51
5.999
3.01
40.086
1.02
13.708
1.52
9.428
2.02
7.294
2.52
5.970
3.02
36.607
1.03
13.577
1.53
9.372
2.03
7.262
2.53
5.956
3.03
34.151
1.04
13.449
1.54
9.317
2.04
7.230
2.54
5.935
3.04
32.256
1.05
13.324
1.55
9.262
2.05
7.198
2.55
5.914
3.05
30.714
1.06
13.201
1.56
9.208
2.06
7.167
2.56
5.893
3.06
29.417
1.07
13.081
1.57
9.155
2.07
7.135
2.57
5.872
3.07
28.299
1.08
12.964
1.58
9.103
2.08
7.105
2.58
5.852
3.08
27.318
1.09
12.849
1.59
9.051
2.09
7.074
2.59
5.832
3.09
26.444
1.10
12.736
1.60
8.999
2.10
7.044
2.60
5.811
3.10
25.658
1.11
12.625
1.61
8.949
2.11
7.014
2.61
5.791
3.11
24.943
1.12
12.518
1.62
8.899
2.12
6.984
2.62
5.771
3.12
24.289
1.13
12.412
1.63
8.849
2.13
6.954
2.63
5.751
3.13
23.686
1.14
12.308
1.64
8.800
2.14
6.925
2.64
5.732
3.14
23.127
1.15
12.207
1.65
8.752
2.15
6.896
2.65
5.712
3.15
22.607
1.16
12.107
1.66
8.705
2.16
6.867
2.66
5.693
3.16
22.120
1.17
12.009
1.67
8.657
2.17
6.839
2.67
5.674
3.17
21.664
1.18
11.913
1.68
8.611
2.18
6.811
2.68
5.654
3.18
21.234
1.19
11.818
1.69
8.565
2.19
6.783
2.69
5.635
3.19
20.828
1.20
11.725
1.70
8.519
2.20
6.755
2.70
5.617
3.20
20.443
1.21
11.634
1.71
8.474
2.21
6.728
2.71
5.598
3.21
20.079
1.22
11.545
1.72
8.430
2.22
6.700
2.72
5.579
3.22
19.732
1.23
11.457
1.73
8.386
2.23
6.673
2.73
5.561
3.23
19.401
1.24
11.370
1.74
8.342
2.24
6.646
2.74
5.542
3.24
19.085
1.25
11.285
1.75
8.299
2.25
6.620
2.75
5.524
3.25
18.783
1.26
11.202
1.76
8.257
2.26
6.594
2.76
5.506
3.26
18.493
1.27
11.120
1.77
8.215
2.27
6.567
2.77
5.488
3.27
18.216
1.28
11.039
1.78
8.173
2.28
6.541
2.78
5.470
3.28
17.949
1.29
10.960
1.79
8.138
2.29
6.516
2.79
5.452
3.29
17.690
1.30
10.881
1.80
8.091
2.30
6.490
2.80
5.435
3.30
17.445
1.31
10.804
1.81
8.051
2.31
6.465
2.81
5.417
3.31
17.207
1.32
10.729
1.82
8.011
2.32
6.440
2.82
5.400
3.32
16.977
1.33
10.654
1.83
7.972
2.33
6.415
2.83
5.383
3.33
16.755
1.34
10.581
1.84
7.933
2.34
6.390
2.84
5.365
3.34
16.540
1.35
10.509
1.85
7.894
2.35
6.366
2.85
5.348
3.35
16.332
1.36
10.437
1.86
7.856
2.36
6.341
2.86
5.331
3.36
16.131
1.37
10.367
1.87
7.818
2.37
6.317
2.87
5.315
3.37
15.936
1.38
10.298
1.88
7.781
2.38
6.293
2.88
5.298
3.38
15.747
1.39
10.230
1.89
7.744
2.39
6.270
2.89
5.281
3.39
15.563
1.40
10.163
1.90
7.707
2.40
6.246
2.90
5.265
3.40
15.385
1.41
10.097
1.91
7.671
2.41
6.223
2.91
5.248
3.41
15.211
1.42
10.032
1.92
7.635
2.42
6.200
2.92
5.232
3.42
15.043
1.43
9.968
1.93
7.599
2.43
6.177
2.93
5.216
3.43
14.879
1.44
9.904
1.94
7.564
2.44
6.154
2.94
5.200
3.44
14.719
1.45
9.842
1.95
7.529
2.45
6.131
2.95
5.184
3.45
14.564
1.46
9.780
1.96
7.494
2.46
6.109
2.96
5.168
3.46
14.412
1.47
9.720
1.97
7.460
2.47
6.086
2.97
5.152
3.47
14.264
1.48
9.660
1.98
7.426
2.48
6.064
2.98
5.137
3.48
14.120
1.49
9.601
1.99
7.393
2.49
6.042
2.99
5.121
3.49
13.979
1.50
9.542
2.00
7.360
2.50
6.021
3.00
5.105
3.50
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