Agilent Technologies N8201A Service Manual Page 265

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Basic Function Commands 8
Agilent N8211A/N8212A Performance Upconverter Synthetic Instrument Module, 250 kHz to 20 / 40 GHz 265
OFF (0) eliminates the power discontinuity normally associated with the attenuator
switching during power adjustments. During an amplitude sweep operation,
N8211A/N8212As with Option 1E1 protect the step attenuator by automatically switching
to attenuator hold mode (ON). The attenuator is locked at its current setting and the
amplitude sweep range is limited to 40 dB.
Example
:POW:ATT:AUTO OFF
The example turns off the attenuator hold function.
*RST 1
:MODE
Supported All
[:SOURce]:POWer:MODE FIXed|SWEep|LIST
[:SOURce]:POWer:MODE?
Starts or stops an amplitude sweep and sets the power mode of the N8211A/N8212A.
FIXed Stops a power sweep and allows the N8211A/N8212A to operate at a fixed power
level. Refer to “[:LEVel][:IMMediate][:AMPLitude]" on page 269 for more information on
running power sweeps and setting CW amplitude settings that control the output power.
SWEep The effects of this choice are determined by the sweep generation type selected
(refer to “:SWEep:GENeration” on page 127). If you are using analog sweep generation, the
current ramp sweep amplitude settings (start and stop) control the output power. If you are
using step sweep generation, the current step sweep amplitude settings control the output
power. In both cases, this selection also activates the sweep. This choice is available with
Option 007 only.
LIST Selects the swept power mode. If sweep triggering is set to immediate along with
continuous sweep mode, executing the command starts the LIST or STEP frequency sweep.
To perform a frequency and amplitude sweep, you must also select LIST or SWEep as the
frequency mode (see “:FREQuency:MODE" on page 234).
Example
:POW:MODE LIST
The example sets list as the amplitude sweep mode.
*RST FIX
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