• Publications
  • Influence
An Energy-Efficient Micropower Neural Recording Amplifier
We present an ultralow-power neural recording amplifier that achieves input-referred noise near the theoretical limit of any amplifier using a differential pair as an input stage. Expand
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Digital selection and analogue amplification coexist in a cortex-inspired silicon circuit
Digital circuits such as the flip-flop use feedback to achieve multi-stability and nonlinearity to restore signals to logical levels, for example 0 and 1. Analogue feedback circuits are generallyExpand
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Analog Versus Digital: Extrapolating from Electronics to Neurobiology
  • R. Sarpeshkar
  • Computer Science, Medicine
  • Neural Computation
  • 1 October 1998
We propose that the brain computes in a hybrid fashion and that an underappreciated and important reason for the efficiency of the human brain is the hybrid and distributed nature of its architecture. Expand
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Feedback Analysis and Design of RF Power Links for Low-Power Bionic Systems
We present an example of a bionic implant system designed for load power consumptions in the 1-10-mW range, a low-power regime not significantly explored in prior designs. Expand
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Low-Power CMOS Rectifier Design for RFID Applications
  • S. Mandal, R. Sarpeshkar
  • Engineering, Computer Science
  • IEEE Transactions on Circuits and Systems I…
  • 11 June 2007
We investigate theoretical and practical aspects of the design of far-field RF power extraction systems consisting of antennas, impedance matching networks and rectifiers. Expand
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Ultra Low Power Bioelectronics: Fundamentals, Biomedical Applications, and Bio-Inspired Systems
Part I. Foundations: Ten chapters lay a foundation in device physics, noise, and feedback systems including nano scales in a highly original fashion, emphasizing intuitive thinking. This foundationExpand
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A Low-Power Wide-Dynamic-Range Analog VLSI Cochlea
We describe an analog electronic cochlea that processes sounds over 6 orders of magnitude in intensity, with an estimated power dissipation of only a few tens of microwatts. Expand
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Synthetic analog computation in living cells
We demonstrate that synthetic analog gene circuits can be engineered to execute sophisticated computational functions in living cells using just three transcription factors. Expand
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A Low-Power Wide-Linear-Range Transconductance Amplifier
We describe a transconductance amplifier designed for low-power(< 1 µW) subthreshold operation with a wideinput linear range. Expand
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An Energy-Efficient, Adiabatic Electrode Stimulator With Inductive Energy Recycling and Feedback Current Regulation
We present a novel energy-efficient electrode stimulator which uses a dynamic power supply as a variable voltage source to efficiently drive an electrode with positive or negative current. Expand
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