[PCB_FORUM] Re: antenna vias
- From: Barbara Seeger <blm@xxxxxxxxxxx>
- To: icu-pcb-forum@xxxxxxxxxxxxx
- Date: Fri, 12 Jun 2009 13:42:12 -0400 (EDT)
I'm sorry, I should have also added a comment on an early adopter
variable in 16.2 provided for removal of bb vias.
delete_hdiviastubs
If set, enables the gloss delete unused stack B/B via.
This feature is only available in XL or higher level tools.
> From: Barbara Seeger <blm@xxxxxxxxxxx>
> Subject: [PCB_FORUM] Re: antenna vias
>
>
>
> There is a variable in the user preferences you can use to
> skip the check. Look at report_antennavia and report_noantennavia
>
> The first has report options on what type of via you may be
> interested in, and the second variable skips it entirely.
>
> Regards,
> Barbara Seeger - Cadence Design Systems - 978-262-6578
>
> > From: sjchar3@xxxxxxxxxxxx
> >
> >
> >
> > Mashak, I have stitched a?brd with gnd vias while some are flagged as
antennas
> vias, others are not flagged.
> >
> > origin-xy:??? (2160.00 2445.00)
> >
> > ? part of net name:? GND
> > ? Connected shapes:??? 3 ( TOP L02 L03 )
> >
> > origin-xy:??? (2425.00 2430.00)
> >
> > ? part of net name:? GND
> > ? Connected shapes:??? 4 ( TOP L02 L03 BOTTOM )
> >
> > I'm assuming, since the first via makes no connection to bottom side, then
> this via is flagged as an antenna via.
> >
> > where is the feature for removing the unconnected vias?
> >
> > Thanks for you help.
> > Sam
> >
> > -----Original Message-----
> > From: Maqbool, Mashak (GE Infra, Energy) <mashak.maqbool@xxxxxx>
> > To: icu-pcb-forum@xxxxxxxxxxxxx
> > Sent: Thu, 11 Jun 2009 7:28 pm
> > Subject: [PCB_FORUM] Re: antenna vias
> >
> >
> >
> >
> > As per me Dangling vias orphan vias are called as Antenna Vias in case of
> > HS
> boards. If you have SPB16.2 then there is a feature of Removing all the
> unconnected vias.
> >
> > ?
> >
> > Mashak
> >
> >
> > From: icu-pcb-forum-bounce@xxxxxxxxxxxxx
> [mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] On Behalf Of Dave Seymour
> > Sent: Friday, June 12, 2009 2:11 AM
> > To: icu-pcb-forum@xxxxxxxxxxxxx
> > Subject: [PCB_FORUM] Re: antenna vias
> >
> >
> >
> >
> >
> >
> > Report methodology:
> >
> > ? - Dangling lines have at least one end not connected.
> >
> > ? - Dangling vias have one or no connection
> >
> > ???? ?- Plus are not a testvia or a thieving via.
> >
> > ? - Antenna vias do not have connections on their start and end layers.
> >
> > ????? - Plus they are not a thieving vias.
> >
> > ????? - Optionally, VOLTAGE nets, testvias and through vias can be
suppressed
> with
> >
> > ??????? the environment variable report_antennavia.
> >
> > ????? - Section may be suppressed by variable report_noantennavia.
> >
> > ? - In all cases output is suppressed if an object has the OK_DANGLE
> >
> > ??? property or is not part of the current partition.
> >
> > ?
> >
> > ?
> >
> > ?
> >
> >
> > Dave Seymour
> >
> > Ixia
> >
> > 919.267.4840
> >
> >
> >
> >
> >
> > From: icu-pcb-forum-bounce@xxxxxxxxxxxxx
> [mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] On Behalf Of sjchar3@xxxxxxxxxxxx
> > Sent: Thursday, June 11, 2009 4:39 PM
> > To: icu-pcb-forum@xxxxxxxxxxxxx
> > Subject: [PCB_FORUM] antenna vias
> >
> >
> > ?
> >
> > group:
> >
> > What is a antenna via? The "dangling line report" flags this.
> >
> > Thanks
> >
> > Sam
> >
> >
> > ?
> >
> >
> >
> > Make your summer sizzle with fast and easy recipes for the grill.
> >
> >
> >
>
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