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. Author manuscript; available in PMC: 2011 Apr 1.
Published in final edited form as: J Magn Reson. 2010 Feb 4;203(2):305–310. doi: 10.1016/j.jmr.2010.01.013

Fig. 1.

Fig. 1

Schematic for the phase sensitive detection circuit. The trimmer capacitors that were added to make two quadrature channels orthogonal are circled.