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Figure 4
MODULATION tab for internal frequency and phase modulation
Reference
The unit can be locked to an external frequency reference by connecting to the
external reference input in the rear panel. To enable the external reference, go
to the REFERENCE tab (Figure 14). Click Use ext. reference and enter the reference
frequency. The reference frequency must be between 1 and 230 MHz and
precisely known.. The lock status is shown as Locked (green color) or Not Locked
(red color). Make sure that your reference has the required accuracy of < 1.5
ppm.
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