[PCB_FORUM] Re: SPB16.2 - Can't change impedance value in Cross section menu
- From: "Crittenden, Mike" <mike.crittenden@xxxxxxxxxxx>
- To: <icu-pcb-forum@xxxxxxxxxxxxx>
- Date: Thu, 8 Jan 2009 09:50:11 -0600
Bill,
I still have 16.01 installed so I believe I am going to "down rev" the
board and continue on with 16.01 until this issue is fixed.
The only other way that I know to get around this in 16.2 is to set the
"acon_no_impedance_width" property in user preferences, route, connect.
If this option is on, impedance rules will have no effect on the trace
width in add connect. You will have to use a external impedance
calculator (online or purchased) to calculated your trace\space values
for diff. pairs and apply those values in the constraint manager for
each layer accordingly. It's a little more work but it will do.
Mike Crittenden
Technology Services Corporation, Phase IV Operation
(256) 535-2118
-----Original Message-----
From: icu-pcb-forum-bounce@xxxxxxxxxxxxx
[mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] On Behalf Of Bill Dempsey
Sent: Wednesday, January 07, 2009 5:40 PM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] Re: SPB16.2 - Can't change impedance value in Cross
section menu
Interesting...that is my situation as well (PCB Perf L).
-----Original Message-----
From: icu-pcb-forum-bounce@xxxxxxxxxxxxx
[mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] On Behalf Of Crittenden,
Mike
Sent: Wednesday, January 07, 2009 4:44 PM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] Re: SPB16.2 - Can't change impedance value in Cross
section menu
Hi Ed,
I have upgraded to the latest ISR. I have been working with Tech
Support and as it turns out, it is a bug that is supposed to be fixed on
the next ISR. It's only a problem if you don't have any of the SI
licenses installed with 16.2. We are using Allegro performance option L
with no SI licenses.
Mike Crittenden
Technology Services Corporation, Phase IV Operation
(256) 535-2118
-----Original Message-----
From: icu-pcb-forum-bounce@xxxxxxxxxxxxx
[mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] On Behalf Of Ed Hickey
Sent: Wednesday, January 07, 2009 2:34 PM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] Re: SPB16.2 - Can't change impedance value in Cross
section menu
Mike,
Can you try upgrading to the latest 16.2 ISR? A hotfix was issued for
this problem on Dec 20th.
Ed
-----Original Message-----
From: icu-pcb-forum-bounce@xxxxxxxxxxxxx
[mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] On Behalf Of Crittenden,
Mike
Sent: Wednesday, January 07, 2009 1:24 PM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] SPB16.2 - Can't change impedance value in Cross
section menu
Hello All,
Just upgraded to 16.2 and when I try to chance the impedance value in
the cross section menu, it is stuck on 60 ohms. Any suggestions?
Thanks!
Mike Crittenden
Technology Services Corporation, Phase IV Operation
(256) 535-2118
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