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VSWR & Return Loss Calculator
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Enter forward and
reflected power or match to determine equivalent values.
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Forward Power
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Watts
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?
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Reflected Power
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Watts
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VSWR
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→
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RL (Return Loss)
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dB
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→
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Match Efficiency
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%
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→
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Rho (Reflection Coefficient)
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→
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Power
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Watts
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Power
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dBm
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Power
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dBm
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Power
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Watts
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Power (dBm) = 10 x
Log [ Power (Watts) ] + 30 dB
VSWR (Voltage Standing Wave Ratio) = [1+Sqrt(Pr / Pf)] / [1-Sqrt(Pr /
Pf)]
Pf = Forward Power (Watts); Pr = Reflected Power (Watts)
Return Loss (dB) = 10 x Log ( Pr / Pf )
Match Efficiency (%) = 100% x (1 - Pr / Pf)
Rho (Reflection Coefficient ) = Sqrt ( Pr / Pf )
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