All Videos Tagged gain (MoreDat) - MoreDat 2024-05-02T16:45:37Z https://moredat.ning.com/video/video/listTagged?tag=gain&rss=yes&xn_auth=no Operational Amplifier Tutorial & super microphone circuit tag:moredat.ning.com,2013-02-15:6483656:Video:6226 2013-02-15T21:54:49.353Z Jerome Trent https://moredat.ning.com/profile/2f1v1ewv1dry8 Afroman goes over the basics of how to use an operational amplifier to amplify tiny voltages, and builds a circuit to listen to very faint sounds with a microphone. Afroman goes over the basics of how to use an operational amplifier to amplify tiny voltages, and builds a circuit to listen to very faint sounds with a microphone.