CLOCK GENERATION CIRCUIT, CLOCK GENERATION METHOD AND ELECTRONIC EQUIPMENT USING THE SAME

摘要

PROBLEM TO BE SOLVED: To surely suppress a noise level by using a spectrum diffusion clock system in radio communication of a digital modulation system.

SOLUTION: This clock generation circuit 1 for generating a spectrum diffusion clock is provided with a clock signal generation part 100 for generating a clock of predetermined frequency and a diffusion signal generation part 120 for applying frequency fluctuation in a predetermined cycle T to the frequency of the clock signal. The cycle T of the fluctuation is set to be shorter than a sampling period (symbol length) S required for processing a digital modulation radio signal receiving a noise.

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