From: GARY ROSEN ([email protected])
Date: Sat Sep 02 2000 - 15:01:38 PDT
Sunil Kumar wrote:
> I would like to make one more point. In digital environment, an edge is
> made up of various frequency components, the highest is given by 0.35/rise
> time. Now higher the frequency, lower will be the skin depth, that means
> skin resistance will be higher. Hence skin effect acts like a low pass
> filter, rise time will increase. Any comments?
>
> Sunil
>
Not taking into account transmission line effects (i. e. propagation
delay), I think this effect would be small if the trace resistance
is << line impedance. I'm not sure of the magnitude of the
transmission line effects, i. e. dispersion caused by varying
wave velocity over frequency.
- Gary Rosen
**** To unsubscribe from si-list or si-list-digest: send e-mail to
[email protected]. In the BODY of message put: UNSUBSCRIBE
si-list or UNSUBSCRIBE si-list-digest, for more help, put HELP.
si-list archives are accessible at http://www.qsl.net/wb6tpu
****
This archive was generated by hypermail 2b29 : Tue May 08 2001 - 14:29:26 PDT