Multifunction DAQ

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Problem Scanning Two Analog Channels

Hi, I am having problem with acquiring data when scanning two channels. When I can scan a single channel all seems fine. But when I scan two channels the channels seem to follow each other. I need to scan both these channels for my experiment. Anyone have any idea what to do.

Thanks
Dipayan
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Do you have anything connected to both channels, or are they just floating (or are either of them floating?)

The input impedance of the analog inputs is extremely high, so if nothing is connected, they will track similarly, as there is nothing to drain the voltage.

Mark
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