Bnc 835-3 User Manual Manual do Utilizador descarregar pdf (Página 20)

Figure 12 MODULATION tab for frequency and phase modulation

Reference

The 835-3 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 13). Click Use ext. reference and enter the reference

frequency. The reference frequency must be an integer multiple of 1 MHz. The maximum

frequency is 100 MHz. Enter the reference frequency as appropriate. The lock status is

shown as Locked (green color) or Not Locked (red color). Note that if phase lock is not

achieved, the applied external reference frequency deviates by more the +/- 1.0 ppm

from the entered reference frequency. Make sure that your reference has the required

accuracy.

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Bnc 835-3 User Manual Manual do Utilizador Página 20