[SI-LIST] Re: How much scope memory needed?
- From: "Kenneth W. Egan" <kegan@xxxxxxxxxxxxx>
- To: <joel@xxxxxxxxxx>, "'si-list'" <si-list@xxxxxxxxxxxxx>
- Date: Sat, 14 Jul 2007 01:14:38 -0500
Depends upon what you need.
If you want to make compliance diagrams, typically a full run can take 15min
on say a Tek6804. We found that we needed to upgrade the memory to allow a
fast acq, which shortened the time for test from 15min to about 5.
KWE
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx] On
Behalf Of Joel Brown
Sent: Friday, July 13, 2007 6:25 PM
To: 'si-list'
Subject: [SI-LIST] How much scope memory needed?
We are looking into purchasing a high speed scope to do signal integrity
measurements (eye diagrams) on SATA and PCI-Express signals.
At 40 GS/s how much waveform memory would be needed to get a good eye
diagram and make other useful measurements?
Options from various manufacturers range from 1M to 200M.
Thanks - Joel
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