This calculator converts a return loss value (Return Loss, RL) expressed in dB into a reflection coefficient (Γ). It helps assess the amount of power reflected in an RF transmission line due to impedance mismatch, providing an indication of the quality of the connection or antenna.
Formula
Γ = 10 (−RL / 20)
Explanation of the formula
Return loss (RL) is a measure of reflected power relative to incident power, expressed in decibels. The higher the RL, the better the impedance matching and the lower the reflection coefficient (Γ). This logarithmic relationship allows you to quickly convert an RL value into a linear reflection coefficient.
Uses of the calculator
- Evaluation of impedance matching in RF lines and antennas.
- Analysis of circuit transmission and reflection performance.
- Useful tool for designing, testing and maintaining RF systems.
- Helps improve efficiency and reduce signal loss.