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. Author manuscript; available in PMC: 2010 May 18.
Published in final edited form as: J Am Soc Mass Spectrom. 2007 Sep 29;18(12):2233–2241. doi: 10.1016/j.jasms.2007.09.013

Fig.1.

Fig.1

Equivalent Electrical Model for ICR detection. (Is = induced image current, Ct = Cc + Ccw, Cc = intrinsic Cell capacitance, Ccw is the connecting wire capacitance, CFET = preamplifier input capacitance, Rb = preamplifier input bias resistance, iRb = Johnson noise due to Rb, in = preamplifier equivalent input noise current, en = preamplifier equivalent input noise voltage)