Re: DS18S20 temperature ic sockets

[Stephen <mail@xxxxxxx>]

On Sun, 12 Jan 2003 00:09:10 -0000, you wrote:

>The diode helps prevent ringing - ie. signal reflections on larger
>installations.
>I put the diode in series with a 2 pin header so I can use a jumper
to
>select the diode if necessary.  Since the diodes cost only pennies
I added
>them on all my PCBs - 18 in total.

Thanks everyone for your help. 

Re this diode business. What constitutes a long run? How do you know
you have got signal reflection? Between which pins do you have the
diode? I'm guessing signal and ground? Do you have the schematic on a
web site to clarify this?

Thanks.



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