The 2 oscillator circuits beneath are suited to making use of 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 osc... https://bookmarkmoz.com/story18987425/an-unbiased-view-of-bulk-crystal-oscillator