The 2 oscillator circuits beneath are well suited for making use of crystal oscillators in collection or parallel method: Superior-repetition-level and substantial-electric power picosecond regenerative amplifier depending on only one bulk Nd:GdVO4 crystal 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 A substantial energy passively manner-locked picose... https://socialexpresions.com/story4462755/a-secret-weapon-for-bulk-crystal-oscillator