Return Loss in Transmission Line and Antenna Formulas

Return loss is a measure of the amount of power reflected back from a transmission line or an antenna, typically expressed in decibels (dB). And is denoted by P_ret. Return Loss is usually measured using the Decibel for Noise. Note that the value of Return Loss is always negative.

Formulas to find Return Loss in Transmission Line and Antenna

fxReturn Loss(dB)Go

fxReturn Loss by Means of VSWRGo

List of variables in Transmission Line and Antenna formulas

fx Incident Power Fed into Antenna Go

fx Reflected Power by Antenna Go

fx Voltage Standing Wave Ratio Go

FAQ

What is the Return Loss?

Return loss is a measure of the amount of power reflected back from a transmission line or an antenna, typically expressed in decibels (dB). Return Loss is usually measured using the Decibel for Noise. Note that the value of Return Loss is always negative.

Can the Return Loss be negative?

Yes, the Return Loss, measured in Noise can be negative.

What unit is used to measure Return Loss?

Return Loss is usually measured using the Decibel[dB] for Noise. Neper[dB], MilliDecibel[dB] are the few other units in which Return Loss can be measured.

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