Accuracy Versus Adjustment Interval - Agilent Technologies 83620A Service Manual

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Accuracy Versus Adjustment Interval

Figure 3-3 shows the required adjustment interval to maintain a given accuracy.
If you know the aging rate, you can determine a more precise adjustment
interval.
Figure 3-3. Accuracy Versus Adjustment Interval
1. Find the line on Figure 3-3 that corresponds to the 10 MHz timebase
oscillator aging rate. ( o determine the aging rate, see \Performance
ests".)
2. On the horizontal axis, nd the maximum allowable error (accuracy) that
you want.
3. Follow the maximum allowable error vertically until it intersects the known
aging rate.
HP 8360 Adjustments 3-9
10 MHz tandard