High speed phase detector architecture

Pulse or digital communications – Synchronizers – Phase displacement – slip or jitter correction

Reexamination Certificate

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C375S376000, C327S159000

Reexamination Certificate

active

06956923

ABSTRACT:
A high speed phase detector circuit operating at a clock speed equal to one-half an input data rate (i.e. a half-rate clock) provides phase information and transition information from incoming serial data. The high speed phase detector circuit samples the incoming serial data on both the rising edge and falling edge of the half-rate clock to provide equivalent full high speed data rate sampling. The high speed phase detector circuit generates a delay between the phase information and the transition information. The phase information is produced in a first bit period and the transition information is produced in a second bit period relative to the first bit period.

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