[SI-LIST] Re: How to interpret Jitter Specification
- From: steve weir <weirsp@xxxxxxxxxx>
- To: Shiraz.Bashir@xxxxxxxxxx, si-list@xxxxxxxxxxxxx
- Date: Thu, 22 Jul 2004 14:35:46 -0700
Bashir,
Calculate the phase distortion based on the sweep rate.
Steve
At 03:22 PM 7/22/2004 -0500, Bashir, Shiraz (MED) wrote:
>Hi,
>
>Motorola recommends following:
>"CLKIN Jitter and Duty Cycle The CLKIN input to the MPC8280 should not
>exceed +/- 150 psec. This represents total input jitter-the combination of
>short term (peak-to-peak)and long term (cumulative). The duty cycle of CLKIN
>should not exceedthe ratio of 40:60."
>
>We intend to use a Spread Spectrum Oscillator and want to make sure we don't
>violate Motorola's recommendation.
>While selecting Spread Spectrum Osc what specification I should be looking
>for to meet Motorola's recommendations ?
>
>Thanks,
>shiraz bashir
>
>
>
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