help with op amp circuit

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trident
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Post by trident »

Hello

The pull up was added as a failsafe for a missing control signal, this will keep the fan running and prevent loss of cooling. The control signal is from an open-collector / open drain-output so I think 10K will work.

Regards, trident
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MrAl
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Post by MrAl »

Hi again,

Ok, sounds good. You should be all set then...
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