Below is shown  is a circuit schematic from U.S. Patent  6,459,261 Figure 3F on Sheet 11 of
14. Electronic circuit simulation data is presented to reinforce the patent technology taught in
Figure 3F. This circuit is a geartooth waveform conditioning circuit that will generate a square
wave output signal from a low level magnetic sensor AC input signal.  Common input signal
offset drifts do not effect the output signal.
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