System Interface and recall the stored register. Make sure that user
atness correction is still enabled before making the measurement.
When an HP/Agilent 437B power meter is used to automatically
enter the correction data, the correction calibration routine
automatically turns o any active mo dulation, then re-activates
the mo dulation up on the completion of the data entry pro cess.
Therefore, the scalar pulse mo dulation that is automatically
enabled in a scalar measurement system is disabled during an
HP/Agilent 437B correction calibration.
Note
The user atness correction array cannot b e stored to a disk. You
must make sure that the array is stored in one of the eightinternal
registers. Recalling a le from an HP/Agilent 8757 disk will not erase
the current array; therefore you may recall an array from an internal
register, then recall an asso ciated le from a disk.
For this example, refer to menu map 5, POWER.
1. The equipment setup shown in Figure 1-21 assumes that
you have followed the steps necessary to correctly level the
conguration. If you have questions ab out external leveling, refer
to \Externally Leveling the Swept Signal Generator".
2. On the analyzer, press
4
PRESET
5
. Reset the analyzer and swept
signal generator to a known state.
Setup System Parameters
3. On the swept signal generator, press FREQUENCY
4
START
54
2
5
4
GHz
5
,
4
STOP
54
2
54
0
54
GHz
5
. Set the swept signal generator for a
frequency sweep of 2 to 20 GHz.
4. Press
4
POWER LEVEL
54
n
54
dBm
5
. Where n = maximum available
power.
5. On the analyzer, set up the appropriate measurement
(i.e. gain for an amplier). Calibrate the measurement (thru and
short/op en calibration). Press
4
SAVE
54
1
5
to store the analyzer's
conguration and swept signal generator parameters in storage
register 1.
6. Turn o the HP/Agilent 8757 System Interface. Use the analyzer
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
SYSINTF ON OFF
softkey found under the SYSTEM menuto
deactivate the system interface.
Access User Flatness Correction Menu
7. On the swept signal generator, press POWER
4
MENU
5
. Select
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Fltness Menu
.
8.
Select
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Delete Menu
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Delete All
. This step insures that the
atness array is empty.
1-44 Getting Started Advanced
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