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Leveling Mode
Normal
Function Group
ALC
Menu Map
1
Description
This
softkey
lets you set the leveling mode of the synthesizer to
continuous leveling at the desired leveling point. In this mode, the
RF OUTPUT is controlled by the automatic level control (ALC)
circuit, otherwise referred to as the leveling loop. The attenuator
works in conjunction with the ALC to achieve the full range of
power levels. At factory preset, ALC normal is the default state. An
asterisk next to the key label indicates that this feature is active.
Programming Codes
SCPI: POWer:ALC:STATe
ONI1
Analyzer: Al, internal normal; A2, external normal; A3, external
power meter normal; SHA2, source module normal.
See Also
(ALC)
Leveling Mode
Search
Function Group
ALC
Menu Map
1
Description
This
softkey
causes the ALC to switch off once the desired power
level is reached. When this leveling mode is activated, or when
power, or frequency is changed, the synthesizer switches to CW
frequency and closes the ALC system until the desired power level is
reached. The synthesizer reverts to its original frequency/modulation
state and opens the ALC system. This mode is similar to ALC off
mode and is useful for narrow pulse applications. An asterisk next to
the key label indicates that this feature is active.
Programming Codes
SCPI: POWer:ALC:STATe SEARch
Analyzer:
SHAl
See
Also
(ALC_),
Pulse Modulation
“Working with Spectrum Analyzers,” in Chapter 1.
L-2
Operating and Programming Reference
HP 8360
User’s Handbook