The two oscillator circuits underneath are ideal for working with crystal oscillators in series or parallel manner: Modeling of nonlinear micromechanical resonators as well as their simulation Using the harmonic‐harmony 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 The type of amplifier you will require will count on the frequ... https://www.hxcrystals.com/seokeywords/bulk-crystal-oscillator.html