Audio amplifier design for electronic stethoscope

[Sheraz Akhtar]

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 .

 

[flatulent]

Re: audio amplifier

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

 

[metal]

Re: audio amplifier

Hello

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

The design issues are simple, and accurate.

Regards