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The electric-field (EF) intra-body communication (IBC) is a promising data transmission method for high-speed low-power biomedical sensors. A good model of the EF-IBC channel is needed for better understanding the signal propagation principle and more efficient IBC transceiver design. Although various effective models have been developed for the waveguide IBC channel, the EF-IBC channel has only been...
Bio-potential detection is important for bio-medical diagnostics and research. Bio-potentials are generally weak (muV) with high offsets (100 mV level). Low noise processing is critical to extract the signal. In this paper, we report the design of a single-chip CMOS bio-potential detector. The design uses chopping to suppress the low-frequency noise in CMOS amplifiers. The strong offset is removed...
The parametrically coupled logistic map network (PCLMN) can serve as the front-end dynamic neural network (DNNs) for clustering and generation of spatio-temporal patterns. In this brief, the element of the PCLMN is designed in a 0.25-mum 2.5-V CMOS process for low power consumption. The analog design employs self-calibration techniques to improve the accuracy of the low-power element. After calibration,...
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