EtherKit Si5351A (Rev C) Mystery Solved: Root cause for the board’s +3.3VDC rail short to ground was the presence of J10 installed on the CCA. This shorts out the supply due to the use of the ECS-250-8-30B crystal which has GND connections on non-crystal corners. With jumper cut, the board works! Now to figure out a best use for this multi-output programmable square-wave test oscillator. Maybe write a LabVIEW front-end controller to maximize versatility?
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