[SI-LIST] Re: clock 2nd harmonic

  • From: "ssabir@xxxxxxxxx" <ssabir@xxxxxxxxx>
  • To: "joel@xxxxxxxxxx" <joel@xxxxxxxxxx> , "hitheshn@xxxxxxxxx" <hitheshn@xxxxxxxxx>
  • Date: Thu, 17 May 2012 19:00:25 +0000

Is clock generated from Oscillator, use spread spectrum clock source. 
-----Original message-----
From: Hithesh
Sent:  18/05/2012, 12:27  AM
To: joel@xxxxxxxxxx
Cc: SI-List
Subject: [SI-LIST] Re: clock 2nd harmonic


Reduce the rise time of the clock.

On Fri, May 18, 2012 at 12:13 AM, Joel Brown <joel@xxxxxxxxxx> wrote:

> I am having an EMI problem with the second harmonic of a 65 MHz clock.
> There is a strong emission at 130 MHz.
> What is most likely causing the second harmonic and how can I reduce it?
> The clock waveform does not look seriously distorted.
> Thanks
>
>
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