[SI-LIST] Re: TDR Recommendations
- From: Mark Alexander <mark.alexander@xxxxxxxxxx>
- To: jeff.loyer@xxxxxxxxx
- Date: Wed, 12 Nov 2003 13:30:53 -0700
Loyer, Jeff wrote:
>One major challenge will be how to probe your signals, especially since =
>you want to probe differentially (2 signal and 2 ground contacts =
>simultaneously). It's possible to position your probes manually for =
>this, but is pretty demanding. And, if you want to perform differential =
>TDT (4 signal, 4 ground, simultaneously), I would say it's virtually =
>impossible. Using a probing station (and associated probes) is nicer, =
>but expensive.
>
Tek also has a nice probe handler that works well for small measurements
-- the PPM203B
<http://www.tektronix.com/site/ps/60-15111/pdfs/60W_15111.pdf>. It's
still a couple grand for a set of them, but that's a lot less than a
probe station! This one is just a 2-link articulated arm with 3-axis
micrometer movement and weighted base. BIG help with fine-pitch boards.
-mark
------------------------------------------------------------------
To unsubscribe from si-list:
si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field
or to administer your membership from a web page, go to:
//www.freelists.org/webpage/si-list
For help:
si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field
List technical documents are available at:
http:/www.si-list.org
List archives are viewable at:
//www.freelists.org/archives/si-list
or at our remote archives:
http://groups.yahoo.com/group/si-list/messages
Old (prior to June 6, 2001) list archives are viewable at:
http://www.qsl.net/wb6tpu
Other related posts:
