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TPS53353: Jitter Measurement

Part Number: TPS53353

Hi Experts, 

According to this waveform, is the marked position the same as the measurement time defined by Jitter measurement?

  • Hi Alan,

    Like you've shown in the second picture, the jitter is really the maximum off-time minus the minimum off-time. Also shown there this is equivalent to Tmeasure-Ton. You have marked these times correctly in the waveform. It could be measured either way but usually I measure the off-time and take the difference between the max and the min since this requires only one measurement.

    Hope this helps.

    Anthony