[SI-LIST] Re: Question about DJ

  • From: Sparsh Patwa <patwa.sparsh@xxxxxxxxx>
  • To: mark <mark@xxxxxxxxxxxxxx>
  • Date: Wed, 24 Jul 2013 11:59:02 -0700

Hi Mark,

I am doing a Record Length of 2 Million on the real time scope.

Sparsh Patwa


On Jul 24, 2013, at 11:53 AM, "mark" <mark@xxxxxxxxxxxxxx> wrote:

> Spareh,
> What is the record length you are capturing on the RT scope? If the record
> length is short compared to the period of the SJ modulation you won't see
> the full effect.
> 
> Best Regards,
> Mark 
> 
> -----Original Message-----
> From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx] On
> Behalf Of Sparsh Patwa
> Sent: Wednesday, July 24, 2013 11:40 AM
> To: si-list@xxxxxxxxxxxxx
> Subject: [SI-LIST] Question about DJ
> 
> Hi All,
> 
> I had a question regarding deterministic  jitter, specifically Sine Jitter.
> I am running a PRBS7 pattern at 5GHz and injecting sine jitter of 10% UI and
> measuring it using a real time scope.
> My doubt is that I see the Sine Jitter show up in the Periodic Jitter bin of
> the measurement only when I have injected the Sine Jitter at a frequency of
> 20MHz or above, can you explain how the frequency of the Sine Jitter plays a
> role ?
> 
> 
> Thanks,
> Sparsh.
> 
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