A 0.43 g Wireless Battery-Less Neural Recorder With On-Chip Microelectrode Array and Integrated Flexible Antenna
Hengying Shan1, John Peterson2, Nathan J Conrad2
1Purdue University, West Lafayette, IN 47907 USA; Amazon Lab126 in Sunnyvale, CA 94089, USA.
IEEE Microwave and Wireless Components Letters : a Publication of the IEEE Microwave Theory and Techniques Society
|November 7, 2022
Abstract:
This work presents a single-chip battery-less neural recorder with 12 on-die microelectrodes. It can be powered wirelessly up to 16 cm away from a horn antenna at 915 MHz and only consumes 104 μW dc power for accessing 10 enabled recording sites simultaneously, transmitting at 5 Mbps. The implantable device integrated with a flexible antenna weighs only 0.43 gram. In vivo measurements on an unrestricted mouse have been successfully conducted, showing response to visual stimuli.
