DVM without isolation
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Published in issue 344, June 2005
Normally, commercial DVM modules based on the popular ICL7106/07 ICs require the measurement voltage to be electrically isolated (‘floating’) with respect to the supply voltage. Without appropriate precautions, it is, for example, not possible to measure a potential in a power supply with reference to ground.
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Please note. In view of the complexity of international markets, Elektor cannot guarantee the availability of components for this project.
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