555 EFI

[Clarence L.Snyder]

Clarence L.Snyder wrote:
> 
> Bruce Plecan wrote:
> >
> >
> > Pin 5 sets B+ as you discribe it.
> > Bruce
> >
> >
> What do I connect to pin 5, through what, to control this? On the info I
> have, this is the BYPASS pin and is tied to ground through a small cap
> to despike. How do I use it to control pulse width? What degree of
> adjustment is possible from this pin?
> 
> Another question -
> What percentage pulse width change would be required from the MAP or TPS
> input? What percentage from  engine temperature, assuming these were the
> only inputs you were going to use other than the trigger (tach sync)?

The only other thing I have seen this pin used for is a very simple FM
transmitter / signal generator where an audio signal is put onto an RF
signal for tracing purposes. - FM radio then picks up the signal in an
audible form. This is when used as astable.