[SI-LIST] Re: Power Plane Noise Injection
- From: steve weir <weirsi@xxxxxxxxxx>
- To: Vijay Chachra <vijaychachra@xxxxxxxxxxx>
- Date: Thu, 01 Sep 2011 22:08:20 -0700
Vijay, I am sorry I don't know of any publications on this subject. I
only know what I have done in my own work.
Steve
On 9/1/2011 8:32 PM, Vijay Chachra wrote:
> Steve,
> As a follow-up question...Is there a reference available which I can
> refer to for understanding how programmable device can help in noise
> injection on power plane?
> Will a simple LFSR type design work as "good enough" noise injector or
> Are there other tried and tested designs available?
> Thanks
> Vijay
>
>
> --- On *Fri, 9/2/11, steve weir /<weirsi@xxxxxxxxxx>/* wrote:
>
>
> From: steve weir <weirsi@xxxxxxxxxx>
> Subject: [SI-LIST] Re: Power Plane Noise Injection
> To: si-list@xxxxxxxxxxxxx
> Date: Friday, September 2, 2011, 6:17 AM
>
> Jason, the issues at HF is coming up with enough raw power, and
> then a
> low enough impedance connection to the PDN. It is much easier to
> characterize devices on a purpose-built test PCB. A large
> CPLD/FPGA on
> the test PCB makes a good programmable noise generator.
>
> Steve.
> On 9/1/2011 2:21 PM, jason.pritchard@xxxxxxx
> <http://us.mc1373.mail.yahoo.com/mc/compose?to=jason.pritchard@xxxxxxx>
> wrote:
> > Hi All,
> >
> > I have an application that I want to create noise on a power
> rail and determine the effects of that noise on a device.
> >
> > 1) What methods have people used to do this type of testing?
> > 2) If you use an RF transformer can you recommend a specific
> type/model that works effectively with the lower impedance of the
> power planes as a load?
> >
> > I would like to simulate DC-DC switching noise as well as high
> frequency noise.
> >
> > Any suggestions will be helpful.
> >
> > Thank-you,
> > Jason
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> --
> Steve Weir
> IPBLOX, LLC
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--
Steve Weir
IPBLOX, LLC
150 N. Center St. #211
Reno, NV 89501
www.ipblox.com
(775) 299-4236 Business
(866) 675-4630 Toll-free
(707) 780-1951 Fax
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