Help for selecting VR sensor signal conditioning

im trying create a CDI/TCI unit for my Suzuki Bandit GSF400. i need some help for VR sensor signal conditioning section.

this is the disc that generate the pulse signal.

Signal Disc

i have found this image. and actually this is the same signal that generate in my bike also.

scope trace from trigger and the processed signals

the first signal is the processed signal, and the second one is generated by the VR sensor.

i need a help to create a circuit to process the VR sensor signal to the above signal.

i believe this processing is not done by using zero crossing detector circuit, because the signal disc teeth sizes are efferent.


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