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Counternoise

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Vizier87

Active Member
Hi guys,

Do I need to introduce a filter before amplifying an output from an LM35 thermometer? It seems that the amplification didn't work well. I use an LM358 for the purpose.
If I need it, then what is the suggested low-pass frequency?
 

Hero999

Banned
Posting the schematic also helps.
 
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