A digitally tunable 4th-order Gm-C low-pass filter for multi-standards receivers

@article{Oliveira2016ADT,
  title={A digitally tunable 4th-order Gm-C low-pass filter for multi-standards receivers},
  author={Mateus S. Oliveira and Paulo C. de Aguirre and Lucas C. Severo and Alessandro Girardi and Altamiro Amadeu Susin},
  journal={2016 29th Symposium on Integrated Circuits and Systems Design (SBCCI)},
  year={2016},
  pages={1-6}
}
This paper presents a digitally tunable 4th-order Gm-C low-pass filter (LPF) for multi-standards radio receivers. The cutoff frequency tuning is provided by changing the transconductance of a reconfigurable operational transconductance amplifier (OTA). Two control bits are employed to digitally control the OTA transconductance and also the power consumption. This LPF is designed in a 180 nm CMOS process and powered by a 1.8 V power supply. Post-layout simulation analysis indicate that this… CONTINUE READING

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