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A high-precision bandgap reference source

  • 2013-09-22
  • 410.02KB
  • Points it Requires : 1

On the basis of traditional positive temperature coefficient current, resistors of two different materials are added to realize the second-order temperature compensation of the bandgap reference. A folded cascode operational amplifier with feedback bias is adopted to make the designed bandgap reference circuit have higher accuracy and temperature stability.

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