The two oscillator circuits underneath are ideal for applying crystal oscillators in series or parallel manner: Substantial-repetition-rate and large-electric power picosecond regenerative amplifier according to an individual bulk Nd:GdVO4 crystal A timing reference incorporating only one-crystal-silicon micromechanical resonator with a high quality issue of larger sized than one mill... https://socialbuzzmaster.com/story4537116/considerations-to-know-about-bulk-crystal-oscillator