Tuesday, January 05, 2010

Termination of High-Speed Converter Clock Distribution Devices

When using clock distribution devices or clock fanout buffers to clock ADCs and DACs, two main sources of signal degradation need to be dealt with: PCB traces behave like low-pass filters, attenuating clock signals and distorting clock edges as they travel along the trace; and reflections can cause undershoot and overshoot, severely degrading the signal and the overall clock performance.


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