Research & development - Eindhoven | More than two weeks ago
The project aims to architect and design an ultra-low power charge monitor and control circuit for charge balanced transmission, compatible with the body channel communication applied for the implantable neural interface application.
The implantable neural interfaces connect the brain or the nerves to one or more multi-electrode arrays (MEAs) for the extraction of neural information needed for neuroscience research and for the direct connection between the nervous system and external devices, such as a computer.
The implantable neural interface can help to better understand nervous systems or to help cure neurological disorders and mobility deficiencies.
One of the biggest challenges in designing such implantable neural interfaces is transferring large amounts of neural data to external devices, wirelessly, but in a way that does not damage surrounding tissue. Body channel communication meets the low power, small form factor, and high-speed requirements required for implantable neural interfaces. However, due to its inherent mechanism of signal propagation through tissue, it is critical to ensure that no residual charges are left on the tissue and that the charge balance is maintained.
This project aims to develop an ultra-low power charge regulation circuit for a body channel communication transmitter applied to the implantable neural interface.
[C. Shi, et al., "Galvanic-Coupled Trans-Dural Data Transfer for High-Bandwidth Intracortical Neural Sensing," in IEEE Transactions on Microwave Theory and Techniques, Oct. 2022.]
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