An improved frequency compensation technique for CMOS operational amplifiers

  title={An improved frequency compensation technique for CMOS operational amplifiers},
  author={B. Ahuja},
  journal={IEEE Journal of Solid-State Circuits},
  • B. Ahuja
  • Published 1983 in IEEE Journal of Solid-State Circuits
The commonly used two-stage CMOS operational amplifier suffers from two basic performance limitations due to the RC compensation network around the second gain stage. First, it provides stable operation for only a limited range of capacitive loads, and second, the power supply rejection shows severe degradation above the open-loop pole frequency. The technique described provides stable operation for a much larger range of capacitive loads, as well as much improved V/SUB BB/ power supply… CONTINUE READING
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