[SI-LIST] Re: DC-DC converter Vs Signal Integrity

Manoj brings up a good point and I neglected to mention as well. You might try 
placing a decoupling cap or R-C filter at the reset pin. That's always good 
practice, but I seldom see it in real life.
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On Apr 30, 2012, at 11:21 AM, Manojkumar Chidambaram - ERS, HCL Tech wrote:

> Hi Bala,
> 
> Yes, and there are cases where Reset get trigged due to radiated emission 
> from surrounding lab equipment's / Lights as well. Keep your reset line 
> probed from initial power on to understand when this occurs. If you are 
> designing a processor based board have control over SW to initialize modules 
> one by one to understand when this Reset signal get affected.
> 
> Thanks,
> Manoj  
> 
> -----Original Message-----
> From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx] On 
> Behalf Of bala
> Sent: Monday, April 30, 2012 12:31 AM
> To: si-list@xxxxxxxxxxxxx
> Subject: [SI-LIST] DC-DC converter Vs Signal Integrity
> 
> Hi Experts,
> Does DC-DC converter noise creates any signal integrity problems other than 
> normal power integirty issues?
> 
> Especially,does it affect 'reset' signals.Please explain more if anyone came 
> across such situation.
> 
> --
> bala
> 
> 
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