2021 年 141 巻 7 号 p. 840-841
In this paper, the digitally controlled oscillator (DCO) using 1+n/k frequency divider (k>n) based on multi-phase clock is proposed. In this DCO, the time resolution of the output signal is the time of one phase difference of the multi-phase clock. Also, the oscillation frequency range is wide and the duty ratio becomes almost 50%.
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