Modco Inc.
806 Packer Way
Sparks, NV 89431

P (775) 331-2442
T (800) 672-4552
F (775) 331-6266


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The Effect of VSWR on Transmitted Power

VSWR

Return

Loss, dB

VSWR

( dB )

Voltage

Reflection

Coeff

Transmit

Loss

dB

Power

Transmit

( % )

Power

Reflected

( % )

1.01 :1

46.06

0.09

0.00

0.0001

100.00

0.00

1.02:1

40.09

0.17

0.01

0.0004

99.99

0.01

1.03:1

36.61

0.26

0.01

0.0009

99.98

0.02

1.04:1

34.15

0.34

0.02

0.0017

99.96

0.04

1.05:1

32.26

0.42

0.02

0.0026

99.94

0.06

1.06:1

30.17

0.51

0.03

0.0037

99.92

0.08

1.07:1

29.42

0.59

0.03

0.0050

99.89

0.11

1.08:1

28.30

0.67

0.04

0.0064

99.85

0.15

1.09:1

27.32

0.75

0.04

0.0081

99.81

0.19

1.10:1

26.44

0.83

0.05

0.0099

99.77

0.23

1.11:1

25.66

0.91

0.05

0.012

99.73

0.27

1.12:1

24.94

0.98

0.06

0.014

99.68

0.32

1.13:1

24.29

1.06

0.06

0.016

99.63

0.37

1.14:1

23.69

1.14

0.07

0.019

99.57

0.43

1.15:1

23.13

1.21

0.07

0.021

99.51

0.49

1.16:1

22.61

1.29

0.07

0.024

99.45

0.55

1.17:1

22.12

1.36

0.08

0.027

99.39

0.61

1.18:1

21.66

1.44

0.08

0.030

99.32

0.68

1.19:1

21.23

1.51

0.09

0.033

99.25

0.75

1.20:1

20.83

1.58

0.09

0.036

99.17

0.83

1.21:1

20.44

1.66

0.10

0.039

99.10

0.90

1.22:1

20.08

1.73

0.10

0.043

99.02

0.98

1.23:1

19.73

1.80

0.10

0.046

98.94

1.06

1.24:1

19.40

1.87

0.11

0.050

98.85

1.15

1.25:1

19.08

1.94

0.11

0.054

98.77

1.23

1.30:1

18.78

2.28

0.13

0.075

98.30

1.70

1.35:1

16.54

2.61

0.15

0.10

97.78

2.22

1.40:1

15.56

2.95

0.17

0.12

97.22

2.78

1.45:1

14.72

3.23

0.18

0.15

96.63

3.37

1.50:1

13.98

3.52

0.20

0.18

96.00

4.00

1.55:1

13.32

3.81

0.22

0.21

95.35

4.65

1.60:1

12.74

4.08

0.23

0.24

94.67

5.33

1.65:1

12.21

4.35

0.25

0.27

93.98

6.02

1.70:1

11.73

4.61

0.28

0.30

93.28

6.72

1.75:1

11.29

4.86

0.27

0.34

92.56

7.44

1.80:1

10.88

5.11

0.29

0.37

91.84

8.16

1.85:1

10.50

5.35

0.30

0.41

91.09

8.91

1.90:1

10.16

5.58

0.31

0.44

90.37

9.63

2.00:1

9.54

6.02

0.33

0.51

88.89

11.11

2.50:1

7.38

7.96

0.43

0.88

81.63

18.37

 

 


 


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