Do the Remote Sense Inputs Work as Feedback for the Excitation Sources?

Updated Nov 6, 2018

Reported In

Hardware

  • PXIe-4339

Issue Details

I would like to know if the PXIe-4339 remote sense inputs work as an internal feedback for the excitation sources of the card.

Solution

As it is mentioned on The Engineer’s Guide to Signal Conditioning,  the remote sense measures the amount of excitation actually delivered to the sensor and regulates the excitation supply through negative feedback to compensate for lead losses and deliver the needed voltage at the bridge.

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