The 2 oscillator circuits beneath are suited to utilizing crystal oscillators in collection or parallel mode: Superior-repetition-price and significant-power picosecond regenerative amplifier determined by 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 electric power passively manner-locked picosecond oscilla... https://single-bookmark.com/story19000985/helping-the-others-realize-the-advantages-of-bulk-crystal-oscillator