A process and device to measure the signal quality of a...

Details A process and device to measure the signal quality of a... A process and device to measure the signal quality of a...

H - Electricity

04

L

H04L 12/26 (2006.01) H03L 7/07 (2006.01) H04L 1/20 (2006.01)

Patent

CA 2287642

The process to measure the signal quality of a digital information transmission system using a scanning device with adjustable direct current threshold can determine a signal parameter for the signal quality (Q-factor), which can determine the bit-rate from an unknown input signal and with its help a clock signal can be generated to scan the input signal with the scanning device. The device includes a detection device as well as a clock generator, which is connected to the detection device and receives a pre-adjustment signal, and which synchronises with the input signal over a phase locked loop with the scanning device through phase comparison. Process and device allow the monitoring of systems in a shortest time and facilitate statements concerning the bit-rate of the respective line section as well as concerning the size of the Q-factor and all relating variables.

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