Search found 5 matches

by jurpo
Tue Jul 26, 2011 11:38 am
Forum: Article Ideas And Links
Topic: Comments/suggestions for all articles here please :-)
Replies: 12
Views: 32301

CDI inginition know-how

Here is good technical paper regarding CDI ingition:
http://www.silcar11-11.com.ar/CDI_Thomp ... A_4347.pdf

And here is DIY-article originally published in 'Silicon Chip' magazine 1997:
http://www.molla.org/DIY-CDI/SC-DIY-CDI ... -hires.pdf
by jurpo
Tue Jul 26, 2011 6:51 am
Forum: FreeEMS Hardware Dev
Topic: PCB layout for Cinch ModICE enclosure
Replies: 46
Views: 76111

Re: PCB layout for Cinch ModICE enclosure

FYI if anyone wish to use PADS for PCB design, I have made PCB templates suitable for ModIce enclosures. ...although I really don't believe that anybody wants to use PADS just because of its "competitive" pricing; schematic licence is "only" ~500USD while basic layout/PCB licence...
by jurpo
Mon Jul 25, 2011 7:46 pm
Forum: Puma
Topic: Puma board for FreeEMS
Replies: 690
Views: 448241

Re: Puma board for FreeEMS

With "smart" injector driver I mean a driver which monitors the current and uses PWM control method to limit the peak and hold currents, just like TLE6270 does the job. In fact techniques which are used for GDI would be very beneficial for non-direct injectors, too: Larger operating voltag...
by jurpo
Mon Jul 25, 2011 6:23 am
Forum: Puma
Topic: Puma board for FreeEMS
Replies: 690
Views: 448241

Re: Puma board for FreeEMS

Mostly I have used PADS at work, but I am well familiar also with Orcad, Altium and and Eagle, and to these I have licences to all but Eagle through my job. Kicad is totally new to me but so far it hasn't been problem to learn new CAD/CAE software - those are only tools . I just returned from vacati...
by jurpo
Sun Jul 24, 2011 9:15 pm
Forum: Puma
Topic: Puma board for FreeEMS
Replies: 690
Views: 448241

Re: Puma board for FreeEMS

I've used TLP18* as generic optocouplers, well available in SMD packages. E.g. TLP184 is quad open-collector optocoupler. Not very tiny but significantly smaller than 4x DIL6 or its SMD "gullwing" counterpart. Quite cheap and performance similar to 4N25 or 4N35 types, and if I remember cor...