The two oscillator circuits underneath are ideal for working with crystal oscillators in series or parallel manner: Higher-repetition-fee and high-electrical power picosecond regenerative amplifier dependant on 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 The sort of amplifier you may need will depend on the frequency. O... https://natural-bookmark.com/story18919665/a-simple-key-for-bulk-crystal-oscillator-unveiled