[Diy_efi] Ion Sensing project

[Brian Michalk]

Okay.  Replying to myself here.
Would these parts work for the ion project?  How much voltage is too much
before arcing becomes a problem?


Vin  Vout I                    Digikey part#                  JKL part #
12.0 850 5.5 Fixed Dual Output 289-1025-ND 15.12 13.86 11.97 BXA-12529
12.0 850 5.5 Fixed Dual Output 289-1048-ND=86 16.17 14.63 12.32 BXA-12529=
/PSI
12.0 700 5.5 Fixed Single Output 289-1049-ND 15.12 13.86 11.97 BXA-12553
12.0 800 4.0 Fixed Single Output 289-1050-ND 15.12 13.86 11.97 BXA-12576
12.0 800 4.0 Fixed Single Output 289-1051-ND 15.12 13.86 11.97 BXA-12577
12.0 1200 6.2 Fixed Single Output 289-1065-ND NEW! 14.95 13.53 11.40
BXA-12617C-6M

> -----Original Message-----
> From: diy_efi-admin at diy-efi.org [mailto:diy_efi-admin at diy-efi.org]On
> Behalf Of Brian Michalk
> Sent: Wednesday, July 03, 2002 2:16 PM
> To: diy_efi at diy-efi.org
> Subject: RE: [Diy_efi] Ion Sensing project
>
>
> That is excellent stuff.
>
> Could this be used to detect knock?  I assume it could be done by sampl=
ing
> in the 100Khz range.  Just look for a sinewave that would change freque=
ncy
> based on gas density and cylinder volume.
>
> I assume this could be calibrated for absolute pressure readings as wel=
l?
> If that could be done, then a realtime horsepower could be calculated.
>
> > -----Original Message-----
> > From: diy_efi-admin at diy-efi.org [mailto:diy_efi-admin at diy-efi.org]On
> > Behalf Of Ville Vartiovaara
> > Sent: Tuesday, July 02, 2002 6:36 PM
> > To: diy_efi at diy-efi.org
> > Subject: [Diy_efi] Ion Sensing project
> >
> >
> >
> > In case someone's still interested in ion sensing:
> > I've tinkered with it for a while, to get to know more about it. (The=
re
> > surely ain't too much info available..;) Anyway, I put a preliminary
> > project report here:
> >
> > www.hut.fi/~vvartiov/ion/ion.html
> >
> > It's REALLY preliminary, actually it contains just old info about my
> > project; I don't have too much time for the documentation..;) Now I'm
> > working with an MSP430-implementation of that idea, and the basic sys=
tem
> > is working, but it's not ready for test drive yet, so the documentati=
on
> > can wait a while..
> >
> >
> > -------------------------------------------------------
> > Ville Vartiovaara    Ville.Vartiovaara at hut.fi
> >  Helsinki University of Technology
> >  Dept. of Electrical and Communications Engineering
> >
> >
> >
> >
> > _______________________________________________
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> >
>
>
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