[SI-LIST] Re: how to understand Signal noise immunity frequency range
- From: steve weir <weirsi@xxxxxxxxxx>
- To: si-list@xxxxxxxxxxxxx
- Date: Wed, 22 Feb 2012 16:18:10 -0800
No, it does not mean that at all. It means that a compliant device
needs to tolerate those noise levels within that band.
Steve
On 2/22/2012 7:50 AM, Zack wrote:
> ** Hi,**
>
> I see "| Vnoise | Signal noise immunity from 10 MHz to 100 MHz | 300 mv
> p-p" in SMBUS 2.0 Spec.****
>
> ** **
>
> What does that mean?****
>
> Is the following understanding right?****
>
> 1.SMBUS only care the noise from 10MHz to 100Mhz. 200MHz,400mV p-p noise
> can not lead to error.****
>
> 2. If the 30MHz noise drop from 2.15V to 1.9V, the SMBUS will be ok even
> that 1.9V is under VIH(2.1V).Because the noise p-p voltage is 250mv which
> is smaller than Vnoise.
>
>
> Best Regards,
>
> Zack
>
>
> ------------------------------------------------------------------
> To unsubscribe from si-list:
> si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field
>
> or to administer your membership from a web page, go to:
> //www.freelists.org/webpage/si-list
>
> For help:
> si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field
>
>
> List technical documents are available at:
> http://www.si-list.net
>
> List archives are viewable at:
> //www.freelists.org/archives/si-list
>
> Old (prior to June 6, 2001) list archives are viewable at:
> http://www.qsl.net/wb6tpu
>
>
>
--
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
All contents Copyright (c)2012 IPBLOX, LLC. All Rights Reserved.
This e-mail may contain confidential material.
If you are not the intended recipient, please destroy all records
and notify the sender.
------------------------------------------------------------------
To unsubscribe from si-list:
si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field
or to administer your membership from a web page, go to:
//www.freelists.org/webpage/si-list
For help:
si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field
List technical documents are available at:
http://www.si-list.net
List archives are viewable at:
//www.freelists.org/archives/si-list
Old (prior to June 6, 2001) list archives are viewable at:
http://www.qsl.net/wb6tpu
Other related posts:
