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MSA Transmitter
Fig. 7-10
Conversion chart of VSWR, Return Loss and SWR.
VSWR Return loss
In dB
Reflection
Coefficient
SWR
In dB
1.01 46.1 0.5 0.086
1.02 40.1 1.0 0.172
1.03 36.6 1.5 0.257
1.04 34.2 2.0 0.341
1.05 32.3 2.4 0.424
1.06 30.7 2.9 0.506
1.07 29.4 3.4 0.588
1.08 28.3 3.8 0.668
1.09 27.3 4.3 0.749
1.10 26.4 4.8 0.828
1.11 25.7 5.2 0.906
1.12 24.9 5.7 0.984
1.13 24.3 6.1 1.06
1.14 23.7 6.5 1.04
1.15 23.1 7.0 1.14
1.18 21.7 8.3 1.21
1.20 20.8 9.1 1.44
1.30 17.7 13.0 1.58
1.50 14.0 19.95 2.28
1.43 15.0 17.78
1.38 16.0 15.85
1.33 17.0 14.13
1.29 18.0 12.59
1.25 19.0 11.12
1.222 20.0 10.00
1.196 21.0 8.93
1.173 22.0 7.943
1.152 23.0 7.079
1.135 24.0 6.310
1.119 25.0 5.563
1.106 26.0 5.012
1.094 27.0 4.467
IF O/P
-10 IF in
201 70
75 Ω
termination
MSA Receiver
Counter
IIF return loss
IF in on Rx card
178