CarBytes

[Eric Clark]

On Tue, 9 Nov 1999, Andrew K. Mattei wrote:

> >one question, What is the difference betwee Andrew Mattei's and Carsten
> >Meyer's?  I planned on building Carsten's design because its more simple.
> >What do the four transisters in the circuit?
> 
> 
> Carsten's design is dependent on the characteristics of the diode in the
> circuit. Notice how he offers a couple of choices, and suggests testing for
> which one works best. Since voltages in the RS232 port can vary slightly,

Ok, I was clear on that one, I think I emailed you a while back about it.
But the design that Paul links to in the CarBytes docs is from Carsten and
uses a MAX232.  Look at it here.

http://pweb.de.uu.net/pr-meyer.h/aldl.htm

Is it still as dependent on the diode?

-Eric