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  1. damras

    Electronic Stethoscope

    CDAK did you have problems with feedback oscillations between the mic and earphones. If so how did you solve them. Could you post a diagram of your circuit if possibe. Thanks dude
  2. damras

    Electronic Stethoscope

    Hey guys I have made this circuit but I am using a scope so I do not have a U5 stage yet. I get good audio signals when I look at the output using the elec mic when I speak into it. However when I place it on my skin I cannot pick up the heart beats. What do u think is the cause of this? I...
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