At 11:45 AM 5/31/2002 -0700, Brad Velander wrote:
>John,
> my personal thoughts on the spreadsheet method was that it would
>only work in the limited case where the track was only connected at one end.
>In my past I have found a great deal of stubs where this method wouldn't
>work because
At 10:59 AM 5/31/2002 -0600, John W. Childers wrote:
>From: Abd ulRahman Lomax <[EMAIL PROTECTED]>
>... stubs which [do not] terminate at a
>pad ... could fairly easily be found by
>analyzing spreadsheet data from a PCB; essentially one would be looking
>for a track which has an endpoint which doe
(direct line)
> Fax (604) 292-9010
> email: [EMAIL PROTECTED]
> http://www.norsat.com
>
> Visit us at Booth 2G2-09 at CommunicAsia 2002 in Singapore June 18-21.
>
>
>
> > -Original Message-
> > From: John W. Childers [mailto:[EMAIL PROTECTED]]
> > S
major advantage of
CAD is the systematic elimination of errors.
Yours truly,
John W. Childers
- Original Message -
From: Dennis Saputelli <[EMAIL PROTECTED]>
To: Protel EDA Forum <[EMAIL PROTECTED]>
Sent: Friday, May 31, 2002 11:51 AM
Subject: Re: [PEDA] Systematically find
09 at CommunicAsia 2002 in Singapore June 18-21.
> -Original Message-
> From: John W. Childers [mailto:[EMAIL PROTECTED]]
> Sent: Friday, May 31, 2002 9:59 AM
> To: Protel EDA Forum
> Subject: Re: [PEDA] Systematically find unwanted antennas
>
>
> From: Abd ulR
is the bd really too much to do a visual scan?
you may want see other stuff you could clean up while you at it
Dennis Saputelli
"John W. Childers" wrote:
>
> From: Drew <[EMAIL PROTECTED]>
> > There is at least one layout package I know of that will report "dangling
> lines" and their x:y coor
From: Abd ulRahman Lomax <[EMAIL PROTECTED]>
> Most stubs can be classified into two kinds: stubs which terminate at a
pad
> and stubs which do not. The latter could fairly easily be found by
> analyzing spreadsheet data from a PCB; essentially one would be looking
for
> a track which has an endpo
From: Drew <[EMAIL PROTECTED]>
> There is at least one layout package I know of that will report "dangling
lines" and their x:y coordinates. Also, I have been told that running the
database through Specctra will remove dangling lines. Though I have never
witnessed the process, it might be worth
oking into.
Cheers!
Drew
- Original Message -
From: "Ian Capps" <[EMAIL PROTECTED]>
To: "Protel EDA Forum" <[EMAIL PROTECTED]>
Sent: Thursday, May 30, 2002 4:31 PM
Subject: Re: [PEDA] Systematically find unwanted antennas
> I've only seen that c
I've only seen that capability in some of the gerber softwares. The old
Lavenir View2001 does an unterminated trace check but Camtastic doesn't seem
to have the ability.
Ian Capps
- Original Message -
From: "John W. Childers" <[EMAIL PROTECTED]>
To: "Protel EDA Forum" <[EMAIL PROTECTED]>
I'm not sure about Camtastic but my CAM350 software will check for unwanted
antennas. Sorry not much help here.
- Original Message -
From: "John W. Childers" <[EMAIL PROTECTED]>
To: "Protel EDA Forum" <[EMAIL PROTECTED]>
Sent: Wednesday, May 29, 2002 1:07 AM
Subject: [PEDA] Systematically
At 11:07 PM 5/28/2002 -0600, John W. Childers wrote:
>On a revision of a board, unwanted antennas can remain and must be found
>and removed. These are tracks that branch out from a net, but don't
>terminate on a pad, and can generate noise as electromagnetic waves, much
>like an antenna on a r
John
In the current version there is no way of finding stubs. Perhaps this
feature is avail in the DXP version
Mike Reagan
EDSI
Frederick MD
- Original Message -
From: "John W. Childers" <[EMAIL PROTECTED]>
To: "Protel EDA Forum" <[EMAIL PROTECTED]>
Sent: Wednesday, May 29, 2002 1:07
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