LM741 not amplifying

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LM741 not amplifying

Postby yamadanao » Mon Jun 19, 2017 10:16 am

I used LM386 to amplify but its minimum 20x gain is to much for me use because my signal is maximum +-0.5v ac , riding 1V dc .
I am seeing a signal on scope but I cant hear anything when I connect the speaker [I am measuring without it]. Moreover the scope image is the same as the input image ,no gain ! I can't see what I missed here.

Here is the date sheet of lm741.
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Joined: Mon Jun 19, 2017 10:11 am

Re: LM741 not amplifying

Postby SteveMJ » Tue Jun 26, 2018 7:59 pm

The LM386 is an audio amplifier; one input and one output.

the '741 is an op-amp and requires components around it to make it 'operational'

How have you connected these?
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Re: LM741 not amplifying

Postby teprojects1 » Thu Sep 27, 2018 3:22 am


LM741 is an operational amplifier and I have used it in my project, it works really great. You should have a look at LM741 Pinout here and also download its Proteus Simulation. That will help you in understanding it better.

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