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Rubidium crystal frequency standard - 5, 10 MHz | 6688/6689
Achieve a stable frequency reference in calibration labs or test systems with the stand-alone high stability oven-controlled crystal oscillator found in the 6688 Stand-alone Frequency Standard. For greater stability employ the 6689 Stand-alone Rubidium Frequency Standard, ensuring frequency drift due to aging of less than 0.001 ppm per 10 year period.