Oscillators – Automatic frequency stabilization using a phase or frequency... – Particular error voltage control
Patent
1997-08-21
1999-03-30
Kinkead, Arnold
Oscillators
Automatic frequency stabilization using a phase or frequency...
Particular error voltage control
331 46, 331 50, 331175, 327156, 327159, H03L 7093, H03L 718
Patent
active
058894381
ABSTRACT:
A phase-locked oscillation circuit, which minimizes phase fluctuation of an output clock signal generated by the phase-locked oscillation circuit, is provided. A wavelet filter performs a wavelet converting operation over phase fluctuations of an input reference signal and output clock signal of a phase-locked oscillator. It separates the phase fluctuation into a periodic fluctuation component and a non-periodic fluctuation component, optimizes a gain of the phase-locked oscillator on the basis of the periodic fluctuation component, and optimizes power supply filters of the phase-locked oscillator on the basis of the non-periodic fluctuation component.
Kinkead Arnold
NEC Corporation
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