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Publication Detail
A high output impedance current source for wideband bioimpedance measurements
  • Publication Type:
  • Authors:
    Hong H, Demosthenous A, Bayford RH
  • Publication date:
  • Pagination:
    117, 118
  • Published proceedings:
    IFMBE Proceedings
  • Volume:
  • Issue:
  • ISBN-13:
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Current sources for bio-impedance measurements are limited by insufficient output impedance above 100 kHz. This paper presents a new current source, which achieves high output impedance (>1 MΩ at 1 MHz in simulation) to address this limitation. The current source has been designed in a 0.35-μm CMOS process and uses ±2.5 V power supplies. The circuit performance has been verified in simulation. © 2009 Springer-Verlag.
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