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Why Are My Analog Input Voltages So Noisy Going through the SC-2043-SG?

Hardware: Signal Conditioning Other>>SC Analog Accessories

Problem: Why are my analog input voltages so noisy going through the SC-2043-SG?

Solution: All unused channels must be shorted to ground, CH+ to CH- to either the EX- of that channel, or to AIGND or AGND. If any channels are floating, that channel's x10 amplifier will saturate, causing a lot of noise in the DC-DC converter on the board, even for single point reads. A resistor value of 10 KOhms to 100 KOhms can be used.

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Report Date: 06/21/1996
Last Updated: 10/04/2002
Document ID: 0MK858A5

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