Amplifiers

The Effect of VSWR on Transmitted Power
VSWR Effect on Power
VSWR Return Loss Trans. Loss Volt. Refl. Power Trans. Power Refl.
VSWR (dB) (dB) (dB) Coeff. (%) (%)
1.64 4.3 12.3 .263 .24 94.1 5.9
1.66 4.4 12.1 .276 .25 93.8 6.2
1.68 4.5 11.9 .289 .25 93.6 6.4
1.7 4.6 11.7 .302 .26 93.3 6.7
1.72 4.7 11.5 .315 .26 93 7
1.74 4.8 11.4 .329 .27 92.7 7.3
1.76 4.9 11.2 .342 .28 92.4 7.6
1.78 5 11 .356 .28 92.1 7.9
1.8 5.1 10.9 .37 .29 91.8 8.2
1.82 5.2 10.7 .384 .29 91.5 8.5
1.84 5.3 10.6 .398 .30 91.3 8.7
1.86 5.4 10.4 .412 .3 91 9
1.88 5.5 10.3 .426 .31 90.7 9.3
1.9 5.6 10.2 .440 .31 90.4 9.6
1.92 5.7 10 .454 .32 90.1 9.9
1.94 5.8 9.9 .468 .32 89.9 10.2
1.96 5.8 9.8 .483 .32 89.5 10.5
1.98 5.9 9.7 .497 .33 89.2 10.8
2 6 9.5 .512 .33 88.9 11.1
2.5 8 7.4 .881 .43 81.6 18.4
3 9.5 6 1.249 .5 75 25
3.5 10.9 5.1 1.603 .56 69.1 30.9
4 12 4.4 1.938 .6 64 36
4.5 13.1 3.9 2.255 .64 59.5 40.5
5 14 3.5 2.553 .67 55.6 44.4
5.5 14.8 3.2 2.834 .69 52.1 47.9
6 15.6 2.9 3.1 .71 49 51
6.5 16.3 2.7 3.351 .73 46.2 53.8
7 16.9 2.5 3.59 .75 43.7 56.2
7.5 17.5 2.3 3.817 .76 41.5 58.5
8 18.1 2.2 4.033 .78 39.5 60.5
8.5 18.6 2.1 4.24 .79 37.7 62.3
9 19.1 1.9 4.437 .8 36 64
9.5 19.6 1.8 4.626 .81 34.5 65.5
10 20 1.7 4.807 .82 33.1 66.9
11 20.8 1.6 5.149 .83 30.6 69.4
12 21.6 1.5 5.466 .85 28.4 71.6
13 22.3 1.3 5.762 .86 26.5 73.5
14 22.9 1.2 6.04 .87 24.9 75.1
15 23.5 1.2 6.301 .88 23.4 76.6
16 24.1 1.1 6.547 .88 22.1 77.9
17 24.6 1 6.78 .89 21 79
18 25.1 1 7.002 .89 19.9 80.1
19 25.6 .9 7.212 .9 19 81
20 26 .9 7.413 .90 18.1 81.9
25 28 .7 8.299 92 14.8 85.2
30 29.5 .6 9.035 .94 12.5 87.5
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