Harmonnic and Intermodulation Performance of Op-Amp Power-Supply Current and the Dual Translinear Loop

  • Authors:

  • Muhammad Taher Abuelma’atti;Sofian Mustafa Abed

  • Affiliations:

  • King Fahd University of Petroleum and Minerals, Box 203 Dhahran 31261, Saudi Arabia;King Fahd University of Petroleum and Minerals, Box 203 Dhahran 31261, Saudi Arabia

  • Venue:
  • Analog Integrated Circuits and Signal Processing
  • Year:
  • 1998

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Abstract

The nonlinear behavior of the op-amp power supply current and thedual translinear loop are analyzed. Closed-form expressions are obtained forthe harmonic and intermodulation components resulting from a multisinusoidalinput signal. These expressions can be used to predict the limiting valuesof the input current for a prespecified tolerable distortion percentage.