A CMOS instrumentation amplifier for wideband bioimpedance spectroscopy systems
作者： Yi-Qiang Zhao , A. Demosthenous , R.H. Bayford
DOI: 10.1109/ISCAS.2006.1693774
关键词:
摘要: Electrical bioimpedance spectroscopy is a fast and relatively easily applicable method for tissue characterization. This paper describes CMOS instrumentation amplifier based on the principle of current feedback use in this application. The was designed 0.35 /spl mu/m technology dissipates 420 mu/W from plusmn/1.5 V power supplies. Simulations showed that it has bandwidth 2 kHz-1 MHz, mid-band gain 20 dB, CMRR 101 dB at 1 an input-referred noise voltage floor 11.5 nV//spl radic/Hz.
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