Multi-phase clock generator and method thereof

Details Multi-phase clock generator and method thereof Multi-phase clock generator and method thereof

2006-03-21

2008-11-04

Lee, Benny (Department: 2817)

Oscillators

Polyphase output

C327S237000, C327S243000, C375S375000

Reexamination Certificate

active

07446616

ABSTRACT:
A multi-phase clock generator for generating a set of multi-phase clock signals is disclosed. The multi-phase clock generator includes a signal generator, a phase adjusting circuit, and a phase interpolator. The signal generator generates a plurality of first clock signals according to a reference clock signal. The phase adjusting circuit, which is a phase rotator or a phase selecting circuit and coupled to the signal generator receives the first clock signals and adjusts the phases of the first clock signals according to a control signal to generate a plurality of second clock signals. The phase interpolator, which is coupled to the phase adjusting circuit, interpolates the second clock signals to generate the set of multi-phase clock signals.

REFERENCES:
patent: 6122336 (2000-09-01), Anderson
patent: 6801066 (2004-10-01), Lee
patent: 7135905 (2006-11-01), Teo et al.
patent: 2003/0210758 (2003-11-01), Lee et al.

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