Scale Changer in Op-Amp




Applications of Operational Amplifiers in Tamil


Scale Changer

  • In the diagram, if the ratio Zf / Z1 = k, a real constant, then the closed loop gain is – k, and the input voltage is multiplied by a factor –k and the scaled output is available at the output.
  • Usually, in such applications, Zf and Z1 are selected as precision resistors for obtaining precise and scaled value of input voltage
scale changer

Scale Changer



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