[ibis-macro] Re: Event triggered PWL sources question
- From: "Muranyi, Arpad" <arpad.muranyi@xxxxxxxxx>
- To: <ibis-macro@xxxxxxxxxxxxx>
- Date: Fri, 28 Oct 2005 09:17:51 -0700
That's the way it is done now in the release
I sent to the group yesterday.
Thanks for confirming my feelings.
Arpad
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-----Original Message-----
From: ibis-macro-bounce@xxxxxxxxxxxxx [mailto:ibis-macro-bounce@xxxxxxxxxxxxx]
On Behalf Of Todd Westerhoff (twesterh)
Sent: Friday, October 28, 2005 9:14 AM
To: ibis-macro@xxxxxxxxxxxxx
Subject: [ibis-macro] Re: Event triggered PWL sources question
First option sounds right to me too. If I'm reading this correctly, the
second option essentially says the PWL source triggers at simulation
time 0 no matter what. I don't see why that should be, so I vote for
option 1.
Todd.
Todd Westerhoff
High Speed Design Group Manager
Cisco Systems
1414 Massachusetts Ave - Boxboro, MA - 01719 email:twesterh@xxxxxxxxx
ph: 978-936-2149
============================================
"Always do right.
This will gratify some people and astonish the rest."
- Mark Twain
-----Original Message-----
From: ibis-macro-bounce@xxxxxxxxxxxxx
[mailto:ibis-macro-bounce@xxxxxxxxxxxxx] On Behalf Of Mike LaBonte
(milabont)
Sent: Thursday, October 27, 2005 9:07 AM
To: ibis-macro@xxxxxxxxxxxxx
Subject: [ibis-macro] Re: Event triggered PWL sources question
Arpad,
The first option sounds right to me too.
Mike
-----Original Message-----
From: ibis-macro-bounce@xxxxxxxxxxxxx
[mailto:ibis-macro-bounce@xxxxxxxxxxxxx] On Behalf Of Muranyi, Arpad
Sent: Wednesday, October 26, 2005 3:49 PM
To: ibis-macro@xxxxxxxxxxxxx
Subject: [ibis-macro] Event triggered PWL sources question
Importance: High
Hello everyone,
I have a question on how the event triggered PWL sources should be
implemented. Please comment ASAP, since I am in the middle of doing
them now and I need your answers right away.
The goal is to have a something vs. time table in the PWL source which
can be reset to t=0 any time an input signal crosses a certain
threshold. So far so good.
Question: What should be the behavior be before the first event occurs?
For example, if the PWL source contains a table that is a waveform
defined for 0 to 2 ns, and the first event occurs at t=5ns, should the
output be the first point of the table up to 5ns, and then start the
waveform, or should the waveform begin at t=0 run its course once, and
then start over at 5ns and at every subsequent event?
Our library does the second one currently, but I think the first
description is the better (or more
correct) one.
Please comment.
Thanks,
Arpad
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