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LM324 Operational Amplifier Circuit

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cevval

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cevval

Joined Dec 6, 2011
63
Please, somebody can help me about:
I want to operate a relay coil via output of a said operational amplifier say LM324
Regards,
 
MrChips

MrChips

Joined Oct 2, 2009
35,296
What is the operating voltage and current of the relay?

An LM324 op-amp would not output sufficient current to energize a relay.
You will need to add a buffer transistor.
 
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