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Engine simulation Toolkit

HI !

I have a problem with the generation of Cranck and Cam signals using EST digital Pattern ( see the pic below )

for my projet here i uss as hardwar :

Pxi 8119 driving a MXIRio 9159 as a FPGa target.

The generation of my cranck and cam signals is ensured by CRio module NI9475 wich is powered by a 12 vdc external power

The signal generated by the digital outp Crio 9475 module is as follows ( scope picture ), on this scop we can see

some kind of cranck and cam signals but with a lot of noise and decharge around the signals.

Do not hesitate to give me the slightest remarks about why i can't generate the cranck and cam signals clearly

best regards

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