Grace,
It looks like that the first ledge is the voltage that the
driver can drive with the load imposed on it by the T-line.
Once the reflection comes back to the driver the voltage
steps up to the full swing levels. This is basic T-line
theory.
Arpad
============================================================
From: owner-ibis-users@eda.org [mailto:owner-ibis-users@eda.org] On Behalf Of Zhanggezi
Sent: Monday, July 04, 2011 8:54 PM
To: 'ibis-users'
Subject: [IBIS-Users] A question about the ibis simulation.
Hi All,
The topology is one on one. The simulation result is below. I am curious about the simulation circled
by red pink. What's the cause? Could someone give me any hint?
[cid:image001.png@01CC3B00.8820C6F0]
Thank you.
Grace
-- This message has been scanned for viruses and dangerous content by MailScanner<http://www.mailscanner.info/>, and is believed to be clean. -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.
--------------------------------------------------------------------
|For help or to subscribe/unsubscribe, e-mail majordomo@eda-stds.org
|with the appropriate command message(s) in the body:
|
| help
| subscribe ibis <optional e-mail address, if different>
| subscribe ibis-users <optional e-mail address, if different>
| unsubscribe ibis <optional e-mail address, if different>
| unsubscribe ibis-users <optional e-mail address, if different>
|
|or e-mail a request to ibis-request@eda-stds.org.
|
|IBIS reflector archives exist under:
|
| http://www.eda-stds.org/pub/ibis/email_archive/ Recent
| http://www.eda-stds.org/pub/ibis/users_archive/ Recent
| http://www.eda-stds.org/pub/ibis/email/ E-mail since 1993
This archive was generated by hypermail 2.1.8 : Tue Jul 05 2011 - 08:45:42 PDT