Bergeron diagram

Bergeron diagram method is a method to value the reflection's effects on an electric signal. This graphic method—based on the real line's characteristic—is valid both for linear and non linear models and helps to calculate the delay of an electromagnetic signal on an electric line.

Using Bergeron method, on the I-V characteristic chart start from the regime point before transition, then move with a straight line with Z₀ slope (Z₀ is the line's characteristic impedance) to the new characteristic; then move with lines with −Z₀ or +Z₀ slope until reaching the new regime situation.

The − value is considered always the same at every reflection because the Bergeron method is used only for first reflections.

See also

Ringing (signal)
Signal reflection