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AR# 13764

Virtex-II FPGA - What is the "Unit Interval" in the CLKFX Jitter Calculator?

Description


I am using the CLKFX Jitter calculator. What is the "Unit Interval"?

NOTE: Please see (Xilinx Answer 12667) for information on the location of the CLKFX Jitter Calculator.

Solution


The Unit Interval is a ratio of measurement and is calculated in the following manner:

Period Jitter (unit intervals) = Period Jitter (peak-to-peak) / CLKFX output period
AR# 13764
Date 12/15/2012
Status Active
Type General Article
Devices
  • Virtex-II