The 2 oscillator circuits under are suitable for employing crystal oscillators in series or parallel method: Higher-repetition-fee and high-electrical power picosecond regenerative amplifier dependant on just one bulk Nd:GdVO4 crystal 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... https://bookmarklethq.com/story18917860/a-secret-weapon-for-bulk-crystal-oscillator