Inductive Powering: Basic Theory And Application To Biomedical Systems

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Inductive powering has been a reliable and simple method for many years to wirelessly power devices over relatively short distances, from a few centimetres to a few feet. Examples are found in biomedical applications, such as cochlear implants; in RFID, such as smart cards for building access control; and in consumer devices, such as electrical toothbrushes. Device sizes shrunk considerably the past decades, demanding accurate design tools to obtain reliable link operation in demanding environments. With smaller coil sizes, the link efficiency drops dramatically to a point where the commonly used calculation methods become invalid. Inductive Powering: Basic Theory and Application to Biomedical Systems lists all design equations and topology alternatives to successfully build an inductive power and data link for your specific application. It also contains practical guidelines to expand the external driver with a servomechanism that automatically tunes itself to varying coupling and load conditions.

E-Book Content

Inductive Powering ANALOG CIRCUITS AND SIGNAL PROCESSING SERIES Consulting Editor: Mohammed Ismail. Ohio State University For other titles published in this series, go to www.springer.com/series/7381 Koenraad Van Schuylenbergh • Robert Puers Inductive Powering Basic Theory and Application to Biomedical Systems Koenraad Van Schuylenbergh 3WIN nv Ko Pa Electronics Consulting [email protected] ISBN: 978-90-481-2411-4 Robert Puers Department of Electrical Engineering (ESAT-MICAS) Katholieke Universiteit Leuven Kasteelpark Arenberg 10 3001 Leuven Belgium [e
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