The two oscillator circuits below are appropriate for working with crystal oscillators in collection or parallel manner: Significant-repetition-rate and significant-ability picosecond regenerative amplifier based upon an individual 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 large ability passively mode-locked picosecond oscil... https://my-social-box.com/story4355883/top-guidelines-of-bulk-crystal-oscillator