Fo Orin: Starter Tooth Sensor Question

[Orin]

> > > 5. Do they do any signal processing for this sensor in their ECU??
> >
> >Simple comparator based circuit on both flywheel teeth and second
> >'cyl 1' sensor.  Just a Schmitt trigger on the flywheel sensor.
> >The second cyl 1 sensor uses a percentage of the previous peak
> >level to compare against with a bleed resistor on the capacitor used
> >to store the previous peak.
> >
> >I have the circuits hand drawn and scanned somewhere.
> 
> 
> <<I am interested in this as well-- If they are easily findable--

ftp://diy-efi.org/incoming/mac11schem.zip

Look at mac11c01.bmp.

This version of the RPM sensor circuit is incorrect.
The 1k resistor to ? should be a 10k to 5V and there
should be a 1k resistor from the + input to ground.

Orin.

----- End of forwarded message from owner-diy_efi at diy-efi.org -----
----------------------------------------------------------------------------
To unsubscribe from diy_efi, send "unsubscribe diy_efi" (without the quotes)
in the body of a message (not the subject) to majordomo at lists.diy-efi.org