Basic Operation
Some Helpful Tips
30
Some Helpful Tips
The following contains information to help in using and
maintaining the instrument for optimum operation, including
alignment, external reference, firmware update and option
activation.
Perform a Time Base Calibration
The N9340B provides a manual calibration function to
calibrate the time base. The analyzer should warm up for
approximately 30 minutes before calibration.
When the calibration function is triggered, the current
measurement is interrupted and a gauge displays on the
LCD. The gauge simply indicates calibration action rather
than calibration course, as the calibration time is
unpredictable. When the calibration is finished, the LCD
displays a calibration, and the interrupted measurement
restarts.
Please refer to the operation procedures as below:
1 Connect a BNC cable with a correct type N- BNC adapter
between the CAL OUT and RF IN front panel connectors.
2 Press > Alignment > Timebase to initiate a calibration.
Using an External Reference
To use an external 10 MHz source as the reference
frequency, connect the external reference source to the REF
IN connector on the rear panel. An EXT REF indicator will
display in the upper bar of the display. The signal level must
be in the range of –5 to +10 dBm.
Preset/
System
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