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Noisy measured TEC current (tec_i) #92

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opened 2023-10-09 13:15:21 +08:00 by atse · 1 comment
atse commented 2023-10-09 13:15:21 +08:00

The measured TEC current, tec_i, is noticeably noisier than it is supposed to be.

image (4).png

Most probably related to the constant remeasuring of VREF, used in the current calculation.

The measured TEC current, tec_i, is noticeably noisier than it is supposed to be. ![image (4).png](/attachments/a4a34581-e931-4a7e-a58e-e4083b700e34) Most probably related to the constant remeasuring of VREF, used in the current calculation.
image (4).png
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sb10q commented 2023-10-09 15:31:48 +08:00
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Most probably related to the constant remeasuring of VREF, used in the current calculation.

I don't think VREF is supposed to fluctuate by ~20% at all.

> Most probably related to the constant remeasuring of VREF, used in the current calculation. I don't think VREF is supposed to fluctuate by ~20% at all.
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Reference: M-Labs/thermostat#92
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