Digital phase-locked loop compiler

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

Reexamination Certificate

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Details

C375S375000, C327S147000, C327S156000

Reexamination Certificate

active

07145975

ABSTRACT:
A digital phase-locked loop compiler includes a pre-divider, a phase digital converter, a digital-to-analog voltage converter, a voltage-control oscillator, a high-frequency oscillator, a post-divider, an out-divider, and a built-in self-tester. The digital phase-locked loop compiler operates in a digital mode and utilizes a preset phase adjusting value to reduce phase-locking time. Moreover, the absence of a low-pass filter in the digital phase-locked loop compiler and the small size of the built-in self-tester greatly reduce the overall area of the digital phase-locked loop compiler.

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A GMSK Modulation using a Delta-Segma Frequency Discriminator-based Synthesizer Wlater t. Bax et al IEEE vol. 36, No. 8 Aug. 2001.

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