The two oscillator circuits under are appropriate for making use of crystal oscillators in series or parallel manner: High-repetition-amount and significant-electrical power picosecond regenerative amplifier determined by just 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 electric power passively manner-locked pi... https://bookmark-group.com/story4533676/a-simple-key-for-bulk-crystal-oscillator-unveiled