Contents

13.1 Introduction

13.1.1 The need for integration

13.1.2 Noise sources in recording

13.1.3 MEMS neuroprosthetic system outlines

13.1.3.1 CNS applications

13.1.3.2 PNS applications

13.1.4 Power dissipation in integrated circuits

13.1.5.1 Semiconductor basics

13.1.5.2 Bipolar

13.1.5.3 The MOSFET

13.1.5.4 The JFET

13.2 Elements of a system

13.2.1 The neuron-transistor junction

13.2.2 General

13.2.2.1 Clocks and oscillators

13.2.2.2 Power-on reset and mode control

13.2.2.3 Integrators

13.2.2.4 Phase-locked loops

13.2.3 Recording

13.2.3.1 Signal preamplifiers

13.2.3.2 Filtering

13.2.3.3 Analog-to-digital converters

13.2.4 Stimulation

13.2.4.1 Voltage-output DACs

13.2.4.2 Current output DACs

13.2.5 Elements specific to CNS prostheses

13.2.6 Elements specific to PNS prostheses

13.2.6.1 Voltage regulation

13.2.6.2 Communication schemes

13.2.7 Elements specific to retina prostheses

13.2.8 Other elements 13.3 Future directions Acknowledgments References

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