Signal Conditioning

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NI USB-6002 high signal noise

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Hello,

I want to use a NI USB-6002 to acquire voltage signals. Before I used NI 9215 with Chassy. Now with 6002 there is a stronger signal noise (10 times stronger) with identical measurement setup.100Hz is the measuring frequency.
Is this problem known? Can the different power supply of the NI card via USB cause such an influence?
Thanks in advance.

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Hello,

 

Actually yes, that expectable.

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