title: [Design of power and data telemetry system utilizing Class-E amplifier for visual prosthesis].
abstract: A wireless transmission system for visual prosthesis is introduced. Power and data are transmitted through inductive link between only one pair of coils, in order to reduce the size of the device. The transmitter is based on Class-E power amplifier due to its high efficiency, and a modulation circuit is added to control the dc supply of the Class-E amplifier to achieve ASK modulation of data with modulation depth of 25%. In addition, an experimental system is implemented, and test shows that it sufficiently supports a 16-channel micro-stimulator on power delivery and data transfer rate.
authors.affiliation: Department of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
authors.forename: Bo
authors.initials: B
authors.lastname: Liu
authors.forename: Kaijie
authors.initials: K
authors.lastname: Wu
authors.forename: Xiaobei
authors.initials: X
authors.lastname: Wu
authors.forename: Xinyu
authors.initials: X
authors.lastname: Chai
mesh_terms: D000669:Amplifiers, Electronic; D011211:Electric Power Supplies; D001330:Electronic Data Processing; D004582:Electronics, Medical; D011474:Prosthesis Design; D013686:Telemetry; D057488:Visual Prosthesis