Integrated Microsystems

4Design of a Low-Power Dual-Mode MUX-Based Transmitter for Biomedical Applications

Yao-Hong Liu

Tsung-Hsien Lin

CONTENTS

1. 4.1 Outline
2. 4.2 Implantable Biomedical Applications
   1. 4.2.1 Wireless Capsule Endoscope
   2. 4.2.2 Multichannel Neural Recording
3. 4.3 Requirements of the Implantable RF Transmitters
   1. 4.3.1 Data Rate Requirements
   2. 4.3.2 Operation Frequency Band for Implantable Transceivers
   3. 4.3.3 Modulation Schemes
   4. 4.3.4 Link Budget Analysis
4. 4.4 Low-Power Direct-Conversion RF Transmitter Architectures
   1. 4.4.1 PLL-Based Direct-Conversion Transmitters
   2. 4.4.2 Mixer-Based Direct-Conversion Transmitters
5. 4.5 Dual-Mode MUX-Based Transmitter: G/FSK Mode with ΣΔ–Modulated PR
   1. 4.5.1 Operation Principle of ΣΔ–Modulated PR
   2. 4.5.2 Noise Analysis of the Proposed ...