Method and device for detecting period length fluctuations...

Details Method and device for detecting period length fluctuations... Method and device for detecting period length fluctuations...

2007-08-07

2007-08-07

Noland, Thomas P. (Department: 2856)

Data processing: measuring, calibrating, or testing

Measurement system in a specific environment

Electrical signal parameter measurement system

C324S076470

Reexamination Certificate

active

10525163

ABSTRACT:
To determine the period length of a first signal, the length is measured by counting the periods of a second signal with a shorter period length. To measure the fluctuations of the period length of the first signal whilst also taking into account the fluctuations of the period length of the second signal, the measurement is carried out for two different values of the period length of the second signal. Both the fluctuations of the period length of the first signal and the accumulated fluctuations of the period length of the second signal are calculated independently of one another from the two values. The method enables the period length fluctuations of a first signal that originates from a phase-locked loop to be detected.

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