Keysight E8663D, Руководство пользователя

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Keysight E8357D/67D & E8663D PSG User’s Guide 49
Basic Operation
Using the User-Defined RF Output Power Limit (Option 1EU, or 521 only)
Figure 2-2 User-Defined RF Output Limit Softkey Menu
The following example enables the RF Output power limit and changes the
value to 20 dBm.
1. To change the RF output limit value:
Press
Amplitude > More > More > RF Output Limit Lock Adjust to Adjust.
2. To change the RF output limit value:
Press
RF Output Limit > 20 dBm
By default, the RPG and increment/decrement controls are disabled to
avoid accidental changing of the RF output limit. Press the left/right
cursor hardkeys to select a digit and enable the RPG or use the keypad to
enter the dBm. The minimum settable value is 15 dBm. The maximum
settable value is the unleveled power of the instrument. For settings
accuracy, refer to the Data Sheet .
3. To prevent accidently changing the RF Output Limit level:
Press
RF Output Limit Lock Adjust to Lock.
Amplitude > More > More
SCPI Commands:
To enable changing the RF output limit:
SCPI Command: [:SOURce]:POWer:LIMit[:MAX]:ADJust <ON|OFF|1|0>
SCPI Command: [:SOURce]:POWer:LIMit[:MAX]:ADJust?
To change the RF output limit:
SCPI Command: [:SOURce]:POWer:LIMit[:MAX] <ampl>
SCPI Command: [:SOURce]:POWer:LIMit[:MAX]?
This softkey is only
active when the RF
Output Limit softkey
is set to “Adjust”.
The default RF
Output Limit value is
shown in here.
When the amplitude
is within
1 dB of the RF
output limit value or
exceeds the RF
Output Limit value,
the value is
displayed in bold
text.