Major problem fixed!

[Sandy]

I have not really looked at it, but I would not expect too much. The
recommened approach is to use the zener instead of a regular diode. I can't
remember when I stuck the scope on it and watched the input and outputs, but
I don't remember seeing anything fishy.

Sandy

At 10:57 AM 3/24/97 +1200, you wrote:
>I finally got my system running reasonably. Problem turned
>out to be that, when using a LM1949 (or in my case a 
>discrete copy), Using a diode to absorb the inductive kick
>lengthens the pulse by about 2.5ms!. Not good when idle requires 
>about ~1.5ms times...
>
>Changed to 39V Zeners, and lo and behold, the times return to
>the theoretical values, and we're in business.
>
>Question for the day: What opening/closing time corrections are 
>people here using with the LM1949 & lo-impedence injectors?
>
>p.s. If you want any low RPM throttle response - dont make your 
>plenum chamber 3x the capacity of the engine!
>
>
>$$$ MAKE CAR FAST $$$
>bryantt at psc.fp.co.nz
>
>