A digital to transconductance converter for nauta structure op-amps in 65nm CMOS

@article{Nicholson2014ADT,
  title={A digital to transconductance converter for nauta structure op-amps in 65nm CMOS},
  author={Andrew Nicholson and Julian Jenkins and Andr{\'e} van Schaik and Tara Julia Hamilton and Torsten Lehmann},
  journal={2014 IEEE 57th International Midwest Symposium on Circuits and Systems (MWSCAS)},
  year={2014},
  pages={173-176}
}
A digital-to-transcoductance converter is presented for use with digitally programmable Nauta structure operational amplifiers. The converter architecture consists of parallel connected tri-state CMOS inverters sized in such a way as to present a complete range of transconductance tunability at the expense of linearity and transconductance output range. Our converter architecture is analysed under mismatch conditions and shows that our converter meets these design constraints which are required… CONTINUE READING

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