[SI-LIST] R: PCI-Express System Level Trace Impedance Value
- From: Guasti Giovanni <Giovanni.Guasti@xxxxxxxxxx>
- To: "'michael.chan@xxxxxx'" <michael.chan@xxxxxx>,si-list@xxxxxxxxxxxxx
- Date: Wed, 16 Jul 2003 17:51:27 +0200
Hi Michael,
I found a paper in Internet where the right differential impedance (and
something more) is discussed. *It's 100ohm*
http://www.intel.com/idf/us/spr2003/presentations/S03USPCIS98_OS.pdf
Hope this can help you,
Giovanni
-----Messaggio originale-----
Da: Chan, Michael (Eng Hou) [mailto:michael.chan@xxxxxx]
Inviato: Tuesday, July 15, 2003 11:15 PM
A: si-list@xxxxxxxxxxxxx
Oggetto: [SI-LIST] PCI-Express System Level Trace Impedance Value
Hi:
I am looking for the board level differential impedance of the trace for
a PCI_EXPRESS bus. I know the connector has a differential impedance value
of 100 ohms. Is the system level ( board ) also has a 100 ohms difference
impedance value or something else? Thanks.
Regards,
Michael Chan
H-P Corp.
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