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VLSI Technology 1993
The measurement of the accumulated phase error of phase-locked loops (PLLs) in microprocessor systems is discussed. A system which creates controlled power supply noise and measures the PLL response is described. Examples of the use of this technique are shown for a PLL used in a 400MHz microprocessor.
Y. Mii, S. Rishton, et al.
VLSI Technology 1993
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VLSI Technology 1989
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