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Past Main Research Areas

  • Ultra-low-voltage circuits

  • Dynamically-biased circuits

  • Analog circuits with dynamic power dissipation

  • Q-enhanced radio frequency filters

  • High frequency analog filters in digital MOS technology

  • Externally linear, internally nonlinear circuits and systems

  • Extermally time-invariant, internally time-varying circuits and systems

  • Companding circuits and signal processing

  • Novel ways to use MOSFETs

  • Fundamental noise limits in analog circuits

  • Integrated continuous-time filters with on-chip automatic tuning

  • Neural network chips

  • Switched-capacitor circuit theory and computer simulation

  • Current copier circuits

  • MOS transistor modeling

  • Bandgap reference analysis and design

  • MOS operational amplifiers

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