[SI-LIST] Re: Teraspeed paper
- From: steve weir <weirsi@xxxxxxxxxx>
- To: cchalmers@xxxxxxxxxxx,<si-list@xxxxxxxxxxxxx>
- Date: Tue, 13 Feb 2007 05:31:25 -0800
Chris,
You are very welcome. Circuit wise, the 10kHz LPF is as simple as it
looks. The filter we designed is well damped and does not peak.
Regards,
Steve.
At 01:39 AM 2/13/2007, Chris Chalmers wrote:
>Si List,
>
>
>I have just been going through the new Teraspeed publications released
>on your website.
>
>
>
>Firstly, thanks to you guys at Teraspeed for carrying out the work and
>for releasing
>
> them to us poorer engineers.
>
>
>
>I have been going through the paper entitled " PCB design methods for
>optimum FPGA serdes
>
> jitter performance". I have a question regarding the low pass filter
>for the AVCCAUXMGT supply.
>
>
>
>What is the nature of the 10KHz LPF. Is it just a ferrite and a tant
>capacitor. Is the ferrite de-Qed at
>
> all?
>
>
>
>Best Regards
>
>
>
>Chris
>
>
>
>
>
>
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