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Closed-loop class E transcutaneous power and data link for MicroImplants
Abstract
Magnetic transcutaneous coupling is frequently used for power and data transfer to implanted electronic devices. The proposed development of MicroImplants, small enough to be injected through a hypodermic needle suggest the need for a high-efficiency magnetic transcutaneous link. This paper describes the use of a multifrequency transmitter coil driver based upon the Class E topology. The development of a "high-Q approximation" which simplifies the design procedure is presented. A closed-loop controller to compensate for transmitter and receiver variations, and a method of data modulation, using synchronous frequency shifting are described. The closed-loop Class E circuit shows great promise, especially for circuits with unusually low coefficients of coupling. Currents of several amperes, at radio frequencies, can easily and efficiently be obtained.
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Citations
Cited by
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Weiland, J. D., Liu, W., & Humayun, M. S. (2005) · Annual Review of Biomedical Engineering · doi:10.1146/annurev.bioeng.7.060804.100435 · Cited by 371
BION ™ system for distributed neural prosthetic interfaces
Loeb, G. E., Peck, R. A., Moore, W. H., & Hood, K. (2001) · Medical Engineering & Physics · doi:10.1016/s1350-4533(01)00011-x · Cited by 243
A multielectrode array for intrafascicular recording and stimulation in sciatic nerve of cats
Branner, A., & Normann, R. A. (2000) · Brain Research Bulletin · doi:10.1016/s0361-9230(99)00231-2 · Cited by 234
Maynard, E. M. (2001) · Annual Review of Biomedical Engineering · doi:10.1146/annurev.bioeng.3.1.145 · Cited by 126
Metadata
- Authors
- Troyk, P. R., & Schwan, M. A. K.
- Venue
- IEEE Transactions on Biomedical Engineering
- Published
- 1992-06
- Volume
- 39
- Issue
- 6
- Pages
- 589-599
- ISSN
- 0018-9294 (ISSN-L)
- OpenAlex
- W2148032039
- Cited by
- 177
- References
- 0
- FWCI
- 0.00
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Closed-loop class E transcutaneous power and data link for MicroImplants. https://app.cochat.ai/papers/10.1109/10.141197
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- Troyk, P. R., & Schwan, M. A. K. (1992). Closed-loop class E transcutaneous power and data link for MicroImplants. IEEE Transactions on Biomedical Engineering. https://doi.org/10.1109/10.141197
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