Ruoyuan Qu

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A wireless neural signal acquisition system is presented for freely-running test. It consists of low-noise, high input impedance analog processing, radio frequency (RF) transmitter and receiver. Firstly, the weak neural signal is amplified by a variable gain pre-amplifier and then digitalized by a Sigma-delta ADC. Secondly, the digital data is transmitted(More)
A whole integrated system for detection of Neural Signal and wireless transmission at 2.4G-2.5GHz is presented in this paper. The system is consisted of low noise OPA, high precision analog to digital convertor (ADC), radio-frequency (RF) transmitter and RF receiver. Analog processing module are specially designed based on high input impedance and low noise(More)
A couple of radio-frequency integrated circuits working at 2.4G-2.5GHz are presented as wireless transmitter and receiver for neural signal recording application. The transmitter is consisted of a two bits digital logic controlled voltage control oscillator with cross-coupled to provide the carrier, an on-off keying modulator for bandwidth and power(More)
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