Method and device for generating clock signal

Details Method and device for generating clock signal Method and device for generating clock signal

2006-11-28

2006-11-28

Nguyen, Vincent Q. (Department: 2858)

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Analysis of complex waves

C324S076530, C327S156000

Reexamination Certificate

active

07141961

ABSTRACT:
A method and device for generating a clock signal accurately synchronized with a wobble signal including jitter even if there are manufacturing differences between voltage controlled oscillators. The clock signal generation device includes a voltage controlled oscillator for generating a clock signal corresponding to each of a plurality of oscillation characteristics. The clock signal generation device applies a test voltage to a voltage controlled oscillator with a voltage control device and sequentially identifies a plurality of oscillation characteristics set for the voltage controlled oscillator. The clock signal generation device selects one of the identified oscillation characteristics that has a frequency range with a generally middle part in which the frequency of a wobble signal is located and has a smaller gain.

REFERENCES:
patent: 5386437 (1995-01-01), Yasuda

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