[SI-LIST] Re: Capacitor Arrays for clock AC coupling
- From: "Mikhail Matusov" <matusov@xxxxxxxxxxxx>
- To: "SI-LIST" <si-list@xxxxxxxxxxxxx>
- Date: Fri, 10 Feb 2006 11:17:30 -0500
Steve,
Can I ask you what's wrong with the NPOs provided that the value is
sufficient?
Thanks,
=======================
Mikhail Matusov
Hardware Design Engineer
Square Peg Communications
Tel.: +1 (613) 271-0044 ext.231
Fax: +1 (613) 271-3007
http://www.squarepeg.ca
----- Original Message -----
From: "steve weir" <weirsi@xxxxxxxxxx>
To: <david@xxxxxxxxxxxxxx>; "SI-LIST" <si-list@xxxxxxxxxxxxx>
Sent: Friday, February 10, 2006 10:55 AM
Subject: [SI-LIST] Re: Capacitor Arrays for clock AC coupling
> David,
>
> My "donts'":
>
> Don't line up those arrays in a big line.
>
> Don't worry about tolerance between the caps.
>
> Don't use NPO
>
> Don't use a higher value than necessary.
>
> Don't forget to think in terms of fields.
>
> Good luck.
>
> Steve.
>
> At 01:43 PM 2/10/2006 +0000, David Greig wrote:
> >Hi List,
> >
> >Apart from "don't do it!", would anyone care to share their experiences
> >(bad or otherwise) of using 2 capacitor arrays for
> >differential clock coupling?
> >The parts in mind are 0504 arrays, NP0 100p or X7R 10n, 10% tol. There
are
> >no supporting S params or models from the
> >manufacturers that I have contacted.
> >
> >Best Regards
> >
> >David Greig
> >
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