What is a Good Return Loss Value and How Can it be Calculated? Different systems utilize different acceptable return loss limits, but 15 dB or better is a standard system limit for antenna systems and cable In an ideal scenario or a perfect system, the return loss equals infinity since there is no reflection
Return Loss in Transmission Lines | Electronics Tutorial Return loss quantifies the reflection efficiency of a transmission line by measuring the ratio of incident power to reflected power It is expressed in decibels (dB) and derived from the reflection coefficient Γ, which characterizes the impedance mismatch between the transmission line and the load
Reflectance and Optical Return Loss (ORL) Measurement and Testing . . . This document discusses the limitations on these optical return loss measurements There is a limit to the range of values that can be measured for optical reflectance The maximum optical reflectance is limited by where the signal saturates at the top of the trace
Transmission Line Loss - Microwaves101 Here we will review some of the math for calculating the RF losses (attenuation) of transmission lines over frequency We'll guide you to some of our other pages that show calculations of attenuation of different transmission line geometries
How much return loss is too much?: Rule of Thumb #12 - EDN This rule of thumb enables us to estimate the maximum amount of return loss allowed for a component like a connector or package Spoiler summary : A return loss smaller than -13 dB won’t affect the transmitted signal
Return loss - Wikipedia If a transmission line is correctly matched to a load, the reflected power will be zero, no power will be lost due to reflection, and "return loss" will be infinite