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Power interference cancellation for dual-band transcutaneous bio-implant systems

Power interference cancellation for dual-band transcutaneous bio-implant systems

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An integrated circuit structure for a dual-band transcutaneous bio-implant system that can remove the problematic power interference coupled into the weak data telemetry signal is presented. The unwanted effect of coupled power interference is efficiently suppressed through a feedback cancellation that directly annihilates the interference with an optimally tuned fraction of the received power signal by the implanted power receiver.

References

    1. 1)
      • Vaillancourt, P.: `EM radiation behavior upon biological tissues in a radio-frequency power transfer link for a cortical visual implant', Proc. 19th Annual Int. Conf. of the IEEE Engineering in Medicine and Biology Society, 1997, Chicago, IL, USA, 6, p. 2499–2502.
    2. 2)
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