The 2 oscillator circuits below are appropriate for using crystal oscillators in sequence or parallel mode: Modeling of nonlinear micromechanical resonators and their simulation Together with the harmonic‐equilibrium technique 的很多特性，如温度稳定性，老化稳定性，等效电路参数，容性负载要求等，都与切割方式密切相关�?石英 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... https://social4geek.com/story4526525/the-best-side-of-bulk-crystal-oscillator