Audio amplifier design for electronic stethoscope

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Sheraz Akhtar

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audio amplifier

i want to make an electronic stethoscope for which i need to design an audio amplifier, which should be capable to pic soun from a stethoscope through a microphone.i have tried to make a audio ampkifier but so fa rthe circuits i have tried didnt work i need a guide on how to design an audio amplifier for the sthetoscope any body who can help with tis .
 

Re: audio amplifier

Would it be easier to eliminate the stethoscope and hold the microphone against the parts of the body?
 

Re: audio amplifier

Hello

What about TI's microphone preamplifier, have you tried it.

The design issues are simple, and accurate.

Regards
 

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