A CMOS delta-sigma true RMS converter

@article{Enz2000ACD,
  title={A CMOS delta-sigma true RMS converter},
  author={C. Enz and Yuhua Cheng},
  journal={IEEE Journal of Solid-State Circuits},
  year={2000},
  volume={35},
  pages={248-257}
}
Conventionally, monolithic electronics true rms converters are constructed by bipolar circuitry. This paper describes a new architecture based on delta-sigma (/spl Delta//spl Sigma/) modulation to realize a low-cost rms converter in CMOS technologies, especially intended for handheld digital multimeters. The signal-to-quantization noise ratio as well as transfer characteristics of this architecture have been deduced to obtain initial design parameters. The use of an indirect charge transfer… CONTINUE READING

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