[SI-LIST] Re: AC Coupled Signals
- From: "Lee Ritchey" <leeritchey@xxxxxxxxxxxxx>
- To: "npatel@xxxxxxxxxx" <npatel@xxxxxxxxxx>, si-list@xxxxxxxxxxxxx
- Date: Mon, 24 Sep 2007 11:06:06 -0700
Nikil,
I have made measurements on test PCBs and the location is not all that
important. In identical pairs, one with AC coupling capacitors and the
other without, the loss vs. frequency is virtually identical at leas out to
6 GHz. That would be 12 Mb/S.
Lee Ritchey
> [Original Message]
> From: <npatel@xxxxxxxxxx>
> To: <si-list@xxxxxxxxxxxxx>
> Date: 9/24/2007 10:21:37 AM
> Subject: [SI-LIST] AC Coupled Signals
>
> Hi all,
> In case of AC coupled signals does anyone know of an optimum placement
> for the caps? I mean should they be placed near the source, receiver,
> middle of the transmission line?
> How much difference does it make in the opening of the eye?
> The signals are differential CML running at 3.0Gbps
>
> Thanks,
> Nikhil
>
>
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