[SI-LIST] Re: Integrated vs. discrete magnetics for Ethernet
- From: "Chauhan, Prakash" <pchauhan@xxxxxxxxxxx>
- To: <si-list@xxxxxxxxxxxxx>
- Date: Mon, 27 Feb 2006 13:29:15 -0500
This is an Intel PCI Express based Gigabit Ethernet Controller. The Phy
is integrated. I think Intel had integrated Marvell's Phy on some chips
in the past, but I don't know whether this device is different. =20
Thanks,
Prakash.=20
-----Original Message-----
From: Chris Padilla (cpad) [mailto:cpad@xxxxxxxxx]=20
Sent: Monday, February 27, 2006 1:20 PM
To: Chauhan, Prakash; si-list@xxxxxxxxxxxxx
Subject: RE: [SI-LIST] Integrated vs. discrete magnetics for Ethernet
Tell us what Phy vendor you are planning to use: Marvell or Broadcom or
???
Chris Padilla
Cisco Systems
San Jose, CA=20
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx]
On Behalf Of Chauhan, Prakash
Sent: Monday, February 27, 2006 10:00 AM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] Integrated vs. discrete magnetics for Ethernet
Hi All,
I was wondering if anyone has comments regarding the use of
integrated magnetics (In the RJ-45) versus a discrete implementation
(for 10/100/1000 Base-T). I have been advised that integrated magnetics
have poorer shielding (between diff pairs) and can be problematic from
an EMC compliance standpoint. I would much prefer to use integrated
Magnetics for space conservation and to have less component count and
simplify layout. If anyone has had problems with the Integrated
Magnetics I would love to hear about it. (I am planning on using Belfuse
Magjack family part: 0826-1X1T-23-F). Any appnotes that can help
implement this from a compliance standpoint would be greatly
appreciated.
Thanks,
Prakash.
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=20
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