Phase interpolater and applications thereof

Details Phase interpolater and applications thereof Phase interpolater and applications thereof

2007-09-04

2007-09-04

Ghayour, Mohammed (Department: 2611)

Pulse or digital communications

Synchronizers

Phase displacement, slip or jitter correction

C375S354000, C331S025000, C331S027000

Reexamination Certificate

active

10243495

ABSTRACT:
A phase interpolator includes a plurality of clock phase input sections, a plurality of clock phase switching sections, a plurality of current sources and a load. Each of the clock phase input sections is coupled to receive one of a plurality of reference clock phases (e.g., 0°, 90°, 180°, and 270°). The plurality of current sources is selectively coupled to the plurality of clock phase input sections via the clock phase switching sections based on a phase control signal. The number of current sources corresponds to the phase granularity between the reference clock phases. The load is coupled to a phase adjusted clock signal in accordance with the phase control signal.

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