| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a jitter attenuator capable of generating a reference clock wherein the effect of input jitter is suppressed without the need for mount of an arithmetic processing circuit for performing statistic processing such as moving average. <P>SOLUTION: The jitter attenuator is provided with an up-counter 3 for counting number of pulses of an input clock f<SB>in</SB>and resetting the count of the number of pulses when receiving a frequency division signal of a high speed clock f<SB>h</SB>, and receives the count just before the reset from the up-counter 3 and frequency-divides the high speed clock f<SB>h</SB>by the count to generate the reference clock f<SB>ref</SB>. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
