[SI-LIST] Re: VIA Capacity

Donald probably means capacitance, I'm just guessing here. TDR and/or =
VNA can be pretty helpful for that measurement.  =20

Art Porter

-----Original Message-----
From: Clewell, Craig [mailto:cclewell@xxxxxxxxxxxxxx]
Sent: Monday, June 23, 2003 2:51 PM
To: 'stradlin_03@xxxxxxxxx'
Cc: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] Re: VIA Capacity


Hi Donald,=20

What you first need to do is get some safety pins and then see how many =
you
can get into the via.  When you can't fit anymore into the via you count =
how
many you put in and then you know the capacity of the via.

...sorry I couldn't resist....

It sounds like you may be trying to find out what the current carrying
capacity of a via is?  This can be found in a couple of books, or in the
archives of the SI list.  Here is are a couple of  threads (links not
clothes) to get you started....

1.  http://www.freelists.org/archives/pcdlist/07-2002/
2.  http://www.freelists.org/archives/si-list/05-2003/msg00038.html

Craig


-----Original Message-----
From: Stradlin Donald [mailto:stradlin_03@xxxxxxxxx]
Sent: Monday, June 23, 2003 12:42 PM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] VIA Capacity


Hi all,
=20
I had one question. What does mean to measure/deduce the capacity of a =
VIA
and How do I measure the capacity of a VIA ?
=20
Kindly let me know.


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