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A sensitive demodulator for time-hopping ultra bandwidth (TH-UWB) radio frequency (RF) receiver is reported. The demodulator consists of a sensitive envelope detector, a voltage comparer, some signal amplifiers and a pulse shaper. The designs of the demodulator's circuit and layout are with 90-nm CMOS technology. The simulation results show that the demodulator can demodulate correctly the TH-UWB...
A microelectronic system capable of recording from and stimulating spinal nerves at injury intervals after surgical implantation has been designed. As require of implantable engineering for the regeneration microelectronic system, the system is low noise, low power, small size and high performance. Such system, will be implanted in body for recording from and stimulating the spinal nerve and contribute...
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