Error protection method, TDC module, CTDC module,...

Details Error protection method, TDC module, CTDC module,... Error protection method, TDC module, CTDC module,...

2008-09-23

2011-10-04

Chang, Joseph (Department: 2817)

Oscillators

Automatic frequency stabilization using a phase or frequency...

Afc with logic elements

C331S025000

Reexamination Certificate

active

08031007

ABSTRACT:
An error predict code is added into a cycle signal for raising precision of an output signal of a time-to-digital (TDC) decoder. A cyclic TDC (CTDC) is specifically designed within a phase-frequency detector (PFD)/CTDC module of an all-digital phase-locked loop (ADPLL) for enhancing loop bandwidth calibration of the ADPLL. A calibration method is used on the PFD/CTDC module for enhancing the loop bandwidth calibration of the ADPLL as well.

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