Return Loss Calculator

✖Reflection Coefficient is a parameter that describes how much of a wave is reflected by an impedance discontinuity in the transmission medium.ⓘ Reflection Coefficient [r]

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✖Return loss is a measure in relative terms of the power of the signal reflected by a discontinuity in a transmission line or optical fiber.ⓘ Return Loss [R_L]

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Formula

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Return Loss

Formula

R L = - 20 \cdot \log 10 (r)

Example

10.45757 dB = - 20 \cdot \log 10 (0.30)

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Return Loss Solution

STEP 0: Pre-Calculation Summary

Formula Used

Return Loss = -20*log10(Reflection Coefficient)
R_L = -20*log10(r)
This formula uses 1 Functions, 2 Variables

Functions Used

log10 - The common logarithm, also known as the base-10 logarithm or the decimal logarithm, is a mathematical function that is the inverse of the exponential function., log10(Number)

Variables Used

Return Loss - (Measured in Decibel) - Return loss is a measure in relative terms of the power of the signal reflected by a discontinuity in a transmission line or optical fiber.
Reflection Coefficient - Reflection Coefficient is a parameter that describes how much of a wave is reflected by an impedance discontinuity in the transmission medium.

STEP 1: Convert Input(s) to Base Unit

Reflection Coefficient: 0.3 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

R_L = -20*log10(r) --> -20*log10(0.3)

Evaluating ... ...

R_L = 10.4575749056068

STEP 3: Convert Result to Output's Unit

10.4575749056068 Decibel --> No Conversion Required

FINAL ANSWER

10.4575749056068 ≈ 10.45757 Decibel <-- Return Loss

(Calculation completed in 00.004 seconds)

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Credits

Created by Shobhit Dimri

Bipin Tripathi Kumaon Institute of Technology (BTKIT), Dwarahat

Shobhit Dimri has created this Calculator and 900+ more calculators!

Verified by Urvi Rathod

Vishwakarma Government Engineering College (VGEC), Ahmedabad

Urvi Rathod has verified this Calculator and 1900+ more calculators!

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Return Loss Formula

Return Loss = -20*log10(Reflection Coefficient)
R_L = -20*log10(r)

Why is Transmission Voltage High?

High voltage transmission lines deliver electricity over long distances. The high voltage is required to reduce the amount of energy lost during the distance.

How to Calculate Return Loss?

Return Loss calculator uses Return Loss = -20*log10(Reflection Coefficient) to calculate the Return Loss, The Return Loss formula is defined as is a measure in relative terms of the power of the signal reflected by a discontinuity in a transmission line or optical fiber. Return Loss is denoted by R_L symbol.

How to calculate Return Loss using this online calculator? To use this online calculator for Return Loss, enter Reflection Coefficient (r) and hit the calculate button. Here is how the Return Loss calculation can be explained with given input values -> 10.45757 = -20*log10(0.3).

FAQ

What is Return Loss?

The Return Loss formula is defined as is a measure in relative terms of the power of the signal reflected by a discontinuity in a transmission line or optical fiber and is represented as R_L = -20*log10(r) or Return Loss = -20*log10(Reflection Coefficient). Reflection Coefficient is a parameter that describes how much of a wave is reflected by an impedance discontinuity in the transmission medium.

How to calculate Return Loss?

The Return Loss formula is defined as is a measure in relative terms of the power of the signal reflected by a discontinuity in a transmission line or optical fiber is calculated using Return Loss = -20*log10(Reflection Coefficient). To calculate Return Loss, you need Reflection Coefficient (r). With our tool, you need to enter the respective value for Reflection Coefficient and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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