Reflection loss is the part of a signal that is lost due to the reflection of power at a discontinuity in a transmission line, such as an impedance mismatch.
Reflection loss is the loss of signal that occurs when some of the power traveling along a transmission line is reflected back at a discontinuity rather than continuing to its destination. A discontinuity is any point where the line's characteristics change abruptly, such as an impedance mismatch at a connector, splice, or transition. The reflected power does not reach the load, so it represents a loss of useful signal.
Because reflections reduce the signal delivered and can interfere with the original signal, controlling reflection loss is important to clean transmission. Maintaining consistent impedance along a cable and at its connections minimizes discontinuities and the reflections they cause, preserving signal strength and quality.
In commercial and industrial communication, reflection loss is a key consideration in coaxial and high-frequency systems, where impedance matching is essential. Recognizing the cause of reflection loss helps in understanding why consistent impedance matters across a signal path.
Because reflections reduce the signal delivered and can interfere with the original signal, controlling reflection loss is important to clean transmission, which is why maintaining consistent impedance along a cable and at its connections minimizes the discontinuities that cause it.
Recognizing the cause of reflection loss helps illustrate why consistent impedance matters across a signal path, from the cable itself through its connectors and transitions.
At Windy City Wire, the focus on quality coaxial and signal cable connects to maintaining consistent impedance and minimizing reflection loss. Supplying cable engineered for stable impedance helps preserve signal strength across commercial communication and AV systems.