The precise clock source is crystal oscillator made of 74HC04;
高精度的时钟源是由74HC04构成的晶体振荡器；
It provides a modulated clock source that reduces electromagnetic emissions and associated harmonics at the source.
它提供了一个可调时钟源，可以从源头上减少电磁辐射和相关谐波。
It provides a modulated clock source that reduces electromagnetic emissions and associated harmonics at the source.
它提供了一个可调时钟源，可以从源头上减少电磁辐射和相关谐波。
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