The two oscillator circuits under are suitable for employing crystal oscillators in series or parallel method: High-repetition-fee and superior-electrical power picosecond regenerative amplifier based upon a single bulk Nd:GdVO4 crystal A timing reference incorporating one-crystal-silicon micromechanical resonator with an excellent aspect of more substantial than a million and a resonant https://www.hxcrystals.com/seokeywords/bulk-crystal-oscillator.html