The 2 oscillator circuits below are appropriate for making use of crystal oscillators in sequence or parallel mode: Superior-repetition-amount and significant-ability picosecond regenerative amplifier based upon one bulk Nd:GdVO4 crystal A timing reference incorporating an individual-crystal-silicon micromechanical resonator with a high quality issue of greater than a million and also https://madesocials.com/story4413971/the-smart-trick-of-bulk-crystal-oscillator-that-no-one-is-discussing