Circuit, control system, IC, transmitting and receiving...

Details Circuit, control system, IC, transmitting and receiving... Circuit, control system, IC, transmitting and receiving...

2006-05-22

2008-11-18

Chang, Joseph (Department: 2817)

Oscillators

Automatic frequency stabilization using a phase or frequency...

Plural oscillators controlled

C331S010000

Reexamination Certificate

active

07453323

ABSTRACT:
The present invention provides a circuit, a control system, an IC, a transmitting and receiving apparatus, a control method, and a program which can reduce a phase error and simultaneously suppress a high-frequency jitter component and a low-frequency wander component. A PLL1unit which is a high-frequency jitter suppression unit, a PLL2unit which is a low-frequency wander suppression unit, and a PLL3unit which is a reproduction clock unit are connected to form a multiloop synthesizer configuration.

REFERENCES:
patent: 5128633 (1992-07-01), Martin et al.
patent: 6674332 (2004-01-01), Wunner et al.
patent: 2002/0118069 (2002-08-01), Fujiwara et al.
patent: 2003/0119466 (2003-06-01), Goldman
patent: 2004/0105516 (2004-06-01), Smith et al.
patent: 2000-278126 (2000-10-01), None
Search report of search conducted on Sep. 14, 2006 by the Patent Office of the United Kingdom.

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