Determining the current return path integrity in an electric device connected or connectable to a further device

摘要

A method for determining current return path integrity in an electric device with a plurality of signal lines and supply lines. A library with at least one reference signal pattern of a near end crosstalk signal on a defined signal line arising from an input signal on another defined signal line is provided, a predetermined signal to a selected signal line of the electric device is applied, the near end crosstalk signal on at least one further signal line of the electric device is detected, said near end crosstalk signal is compared with the corresponding reference signal pattern from the library, and if there is a deviation between the near end crosstalk signal and the corresponding reference signal pattern, an information that there is any defect in the electric device is displayed.

主权项

1. A method for determining a current return path integrity in an electric device, the method comprising:
applying a signal to a selected signal line of a plurality of signal lines of the electric device, wherein the selected signal line is a signal line of a group of signal lines of the plurality of signal lines of the electric device, the group of signal lines electrically interconnected together to form an interconnected group of supply lines; detecting a crosstalk signal on at least one other signal line of the plurality of signal lines of the electric device; comparing the detected crosstalk signal with a reference signal pattern; and identifying whether a deviation between the detected crosstalk signal and the reference signal pattern exists.