[PCB_FORUM] Re: Crosstalk
- To: <icu-pcb-forum@xxxxxxxxxxxxx>
- Date: Tue, 2 Aug 2005 15:28:54 -0700
Hi Alexis,
Good thing you're hand routing, I don't think Specctra respects this property.
At least it didn't in 15.1 and I haven't had an opportunity to check this out
in 15.2.
Pattie
@};--
Senior PCB Designer, CID
Ditech Communications
-----Original Message-----
From: icu-pcb-forum-bounce@xxxxxxxxxxxxx
[mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx]On Behalf Of
Alexis.Meehan@xxxxxxxxx
Sent: Tuesday, August 02, 2005 3:15 PM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] Re: Crosstalk
Thank you Pattie and Jim!
-----Original Message-----
From: icu-pcb-forum-bounce@xxxxxxxxxxxxx
[mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx]On Behalf Of ext J Wages
Sent: 02 August, 2005 03:09 PM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] Re: Crosstalk
This is correct. Allegro will report cross talk errors to tangent layers
automatically. It uses the plane layers to differentiate appropriate
signal integrity issues.
Jim S. Wages / SR. PCB Layout Designer:
Cary, NC - (919) 466-1596
-----Original Message-----
From: icu-pcb-forum-bounce@xxxxxxxxxxxxx
[mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx]
Sent: Tuesday, August 02, 2005 6:06 PM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] Re: Crosstalk
Enter your constraint in the Max in mils for Length of tracks running
parallel and Distance required between tracks under Net>Routing>Wiring.
I get a layer to layer DRC when a trace on a corresponding layer runs
too close for too long.
Pattie
@};--
Senior PCB Designer, CID
Ditech Communications
-----Original Message-----
From: icu-pcb-forum-bounce@xxxxxxxxxxxxx
[mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx]On Behalf Of
Alexis.Meehan@xxxxxxxxx
Sent: Tuesday, August 02, 2005 12:15 PM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] Crosstalk
We are new to 15.2 - is there a way in the constraints mgr to set up
tangency
requirements to avoid crosstalk from one signal layer to another? We're
hand-routing,
not auto-routing. Thanks for any info you can provide.
Alexis Meehan - Nokia
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