METHOD OF OVERTONE SELECTION AND LEVEL CONTROL IN AN INTEGRATED CIRCUIT CMOS NEGATIVE RESISTANCE OSCILLATOR TO ACHIEVE LOW JITTER

摘要

A stable high-frequency clock pulse apparatus (100) and method including frequency source (102), overtone crystal unit coupled with a negative resistance oscillator (140), a bandpass overtone fi lter (120) and a drive level control (130) is provided. The apparatus can include a frequency multiplier (270). The frequency source can be a micromechanical resonator.