Phase interpolator based transmission clock control

Details Phase interpolator based transmission clock control Phase interpolator based transmission clock control

2004-06-28

2011-11-01

Ha, Dac (Department: 2611)

Pulse or digital communications

Synchronizers

Network synchronizing more than two stations

C375S215000, C375S221000, C375S355000, C375S373000, C375S376000, C327S147000, C327S152000

Reexamination Certificate

active

08050373

ABSTRACT:
A system and method is provided for phase interpolator based transmission clock control. The system includes a transmitter having a phase interpolator coupled to a master timing generator and a transmission module. The phase interpolator is also coupled to a receiver interpolator control module and/or an external interpolator control module. When the system is operating in repeat mode, the transmitter phase interpolator receives a control signal from a receiver interpolator control module. The transmitter phase interpolator uses the signal to synchronize the transmission clock to the sampling clock. When the system is operating in test mode, a user defines a transmission data profile in an external interpolator control module. The external interpolator control module generates a control signal based on the profile. The transmitter phase interpolator uses the signal to generate a transmission clock that is used by the transmission module to generate a data stream having the desired profile.

REFERENCES:
patent: 4105973 (1978-08-01), Arnold et al.
patent: 6509773 (2003-01-01), Buchwald et al.
patent: 7295644 (2007-11-01), Wu et al.
patent: 7363563 (2008-04-01), Hissen et al.
patent: 2004/0213337 (2004-10-01), Li et al.
patent: 2005/0207520 (2005-09-01), Su et al.
patent: 2005/0238126 (2005-10-01), Ribo et al.

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