The integration of our BAW technology into our network synchronizer products allows extremely-lower jitter performance of forty two fs Modeling of nonlinear micromechanical resonators and their simulation Along with the harmonic‐balance approach PDF 中原子或分子的排列具有三维空间的周期性，隔一定的距离重复出现，这种周期性规律是 晶体为无源的，一般是两个管脚，需要专门的时钟电路才可起振，... https://www.hxcrystals.com/seokeywords/bulk-crystal-oscillator.html