A survey of design techniques for system-level dynamic power management
IEEE Transactions on Very Large Scale Integration (VLSI) Systems - Special section on low-power electronics and design
A low-power RF integrated circuit for implantable sensors
Analog Integrated Circuits and Signal Processing
Low-voltage low-power 100 MHz programmable gain amplifier in 0.35 μm CMOS
Analog Integrated Circuits and Signal Processing
Wireless monitoring of electrode-tissues interfaces for long term characterization
Analog Integrated Circuits and Signal Processing
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The implantable microsystem requires the hybrid circuit technology for a brain-machine interface. The paper described a compensability mixed-signal implantable receiver including an analog front-end and a digital processing circuit. The analog circuit consists of mainly an amplifier, an amplitude shift keying (ASK) demodulator, a clock extraction and a power recovery. In this paper, the amplifier and the ASK demodulator are described and provided without the capacitor and the resistor, fully integrated low-power circuit. The processing circuit is designed with the digital technology, so that implementing the correct synchronous signal. The carrier frequency of the circuit is applied in the 10 MHz range; the data rates up to 1 M bit/s are supported, suitable for complex implants such as the brain neural stimulating and so on. The compensability low-power and the high-performance implantable interface using a CMOS technology has been designed, fabricated and verified. All of circuits were implemented in a standard 0.18-μm CMOS process.