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. Author manuscript; available in PMC: 2014 Feb 15.
Published in final edited form as: Conf Proc IEEE Eng Med Biol Soc. 2011;2011:2300–2306. doi: 10.1109/IEMBS.2011.6090579

Fig. 9.

Fig. 9

Input referred noise spectrum density of the preamplifier with different input resistances. The integration of these curves from 0.1Hz to 100 kHz yields an rms noise of 8.5μVrms, 10.0μVrms, and 14.1μVrms with input resistance of 0Ω, 100kΩ, 500kΩ respectively.