Current measuring circuit suited for batteries

  • US 20030155930A1
  • Filed: 04/09/2003
  • Published: 08/21/2003
  • Est. Priority Date: 04/25/2000
  • Status: Abandoned Application
First Claim
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1. A measuring circuit, having a first input measurement terminal and output measurement terminals, for producing on the output measurement terminals signals representing the potential at the first input measurement terminal, characterized by at least two stages having different measuring ranges, a first one of the at least two stages having a first measuring range and an input terminal and an output terminal and a second one of the at least two stages having a second measuring range and an input terminal and an output terminal, the first input measurement terminal connected to the input terminal of the first one of the at least two stages and the output terminal of the first one of the at least two stages connected to the input terminal of the second one of the at least two stages, the output terminals of the at least two stages connected to the output measurement terminals of the measuring circuit, the first and second ones of the at least two stages each comprising an amplifier for amplifying signals received on the input terminal of the respective stage to produce amplified signals on the output terminal of the respective stage.

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