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| Frequency Stability |
| The release date：2013/6/9 9:20:07 Reading：3208 times |
Any crystal frequency instability is absolute degree. A crystal oscillator output frequency versus time curve shown in Figure 1. Graph showing frequency instability of three factors: aging, drift and short-term stability.
Figure 1 oscillator output frequency versus time schematic
Curve 1 is measured once with 0.1 seconds circumstances, the performance of short-term stability of the crystal
Curve 3 is 100 seconds measured once the situation, the performance of the oscillator drift
Curve 4 is 1 days time measurement situation. The crystal oscillator aging
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