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the right way to grounding

Question asked by elec_2020@yahoo.com on Aug 9, 2017

Hello

I have some probes that measure some biomedical signals.

all of them are connected to a data acquisition board.

all the cables and connectors are terminated with a resistor of 50 Ohm.

each probe has a ground and the acquisition board has a different ground.

How should I connect them to each other?

I think I have two ways as follow

  • ground all the coax cables at the side of  acquisition board.

  • ground all the coax cables at the both side.

 

Regards

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