The 2 oscillator circuits beneath are well suited for making use of crystal oscillators in collection or parallel mode: Higher-repetition-fee and high-electrical power picosecond regenerative amplifier based upon 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 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... https://bookmark-share.com/story19000545/a-simple-key-for-bulk-crystal-oscillator-unveiled