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Lab9.KaraokeCircuitsLab9:KaraokeCircuitsIntroductionEverwantedtograbholdofamicrophoneandbeltoutyourfavoritesong?Singingintheshowerisgreat,butwithanamp(outsidetheshower)itcanbeexhilarating.Fig.1Karaoke.viFrontPanelDisplaysReal-TimeSignalsandFrequencyLevelsPurposeThisLabusesmyDAQandcomponentstobuildakaraokecircuit(Fig.1).YoucanremovethevocalsfromyourfavoriteiPodsongsandsingalong.EquipmentNImyDAQ3.5mmSub-MiniatureStereoCable(comeswithNImyDAQ)iPodorOtherMusicSourceStereoComputerSpeakerSetOpAmpCircuits•ThreeTL2071LowNoiseJFETsor741OperationalAmplifiers•Resistors:Six10kΩ,Two100KΩ,andOne1kΩ©NationalInstrumentsCorporation1Lab9.KaraokeCircuits•TrimPot20kΩ•Capacitors:Three10µF(electrolytic)•3.5mmSub-MiniatureStereoJackCable•3.5mmSub-MiniatureStereoSocket•BboardPrerequisiteReferenceMaterialsUsing