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EASYEDA simulation interpterion?

MrDEB

Well-Known Member
using easyeda to simulate an amplifier but not sure of results
this circuit is to amplify a microphone before it feeds a TDA2822 AMP
 

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Your LM358 is operating open loop, no negative fdbk, essentially as a
comparator. I would start there.

Not an EDA user, but where is VCC value defined ? In settings ?

C2 has no terminating load so not sure why its even there....
 
In addition to what Danadak mentioned, The LM358's inputs should be biased mid-supply if you would like to amplify the negative portion of a sinewave.
 

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