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An analytical signal usually comes from some type of light detector, ion detector, or sensor. To be useful this analytical signal must often be converted from a current to a voltage, averaged, or manipulated, and stored. Detection ElectronicsCurrent-to-voltage conversionGated integratorLock-in amplifierOscilloscope introductiondigital oscilloscopePulse counting (photon counting)Transient recorderRelated TopicsIntroduction to electronicsIntroduction to computer data acquisition
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