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Note: Tapatalk does not display Tables properly, Browsers do.
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QUICK REFERENCE TABLES
FORMULAS:
CALCULATED VALUES:
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Note: Tapatalk does not display Tables properly, Browsers do.
.
QUICK REFERENCE TABLES
FORMULAS:
Item | Formula | Example Antenna 50 Ohm, Receiver 75 Ohm |
Reflection Coefficient Γ | Γ = (Z1 - Z2) / (Z1 + Z2) | Γ = (75 - 50) / (75 + 50) = 0.2 |
Standing Wave Ratio SWR | SWR = {(1+Γ) / (1-Γ)} : 1 | SWR = {(1+0.2) / (1-0.2)} : 1 = 1.5 : 1 |
Mismatch Loss ML dB | ML = -10 log (1 - Γ2) | ML = -10 log (1 - 0.22) = 0.177 dB |
CALCULATED VALUES:
Reflection Coefficient | 0.00 | 0.10 | 0.15 | 0.20 | 0.25 | 0.30 | 0.35 | 0.40 | 0.45 | 0.50 | 0.55 | 0.60 | 0.65 | 0.70 | 0.75 | 0.80 | 0.85 | 0.90 | 0.95 | 1.00 |
SWR | 1.00 | 1.22 | 1.35 | 1.50 | 1.67 | 1.86 | 2.08 | 2.33 | 2.64 | 3.00 | 3.44 | 4.00 | 4.71 | 5.67 | 7.00 | 9.00 | 12.33 | 19.00 | 39.00 | ∞ |
Mismatch Loss dB | 0.00 dB |
0.04 dB |
0.10 dB |
0.18 dB |
0.28 dB |
0.41 dB |
0.57 dB |
0.76 dB |
0.98 dB |
1.25 dB |
1.56 dB |
1.94 dB |
2.38 dB |
2.92 dB |
3.59 dB |
4.44 dB |
5.57 dB |
7.21 dB |
10.11 dB |
∞ dB |
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