Design and Implementation of chopper-stabilized amplifiers

  • Jeremy Holleman
  • Fan Zhang
  • Brian Otis


One observation from the two neural amplifiers described in the previous two chapters is the dominance of flicker noise. Most of the existing power-noise optimization techniques target thermal noise. However, flicker noise is a significant concern for EMG/EEG/ECoG applications, where the bandwidth of interest is much lower (<500Hz) than that of neural applications (∼10kHz). Therefore, we will devote this chapter to discussing techniques to combat flicker noise.


Flicker Noise Input Transistor Chopper Frequency Normalize Transfer Function Chopper Modulator 
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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  1. 1.Department of Electrical Engineering and Computer ScienceUniversity of TennesseeKnoxvilleUSA
  2. 2.Department of Electrical EngineeringUniversity of WashingtonSeattleUSA

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