At 09:28 PM 09/10/2002 -0300, you wrote:
>Hello,
>
>     I'm doing some research about cable characteristics but I have found
>little usefull information about capacitance and impedance.
>
>     What defines a cable capacitance? What defines it's impedance? Where can
>I find usefull information about this?

After a quick google for

cable characteristic impedance formulas,

I found:

http://www.tmeg.com/tutorials/t_lines/t_lines.htm

which contains any formulas you may need, and a good explanation of why
they are used.

--Brendan

--
http://www.piclist.com hint: PICList Posts must start with ONE topic:
[PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads