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HP 8360 User Manual

Page 148

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ALC

Function Group

ALC

Menu Map

Description

This

accesses the automatic level control (ALC) functions.

ALC

Menu

Coupling Factor

Leveling Mode ALCoff

Leveling Mode Normal

Leveling Mode Search

L e v e l i n g P o i n t

L e v e l i n g P o i n t I n t e r n a l

Leveling Point Module

L e v e l i n g P o i n t

Accesses the ALC bandwidth menu.

Specifies the coupling factor of an
external coupling device and causes
the display to indicate the power at
the coupler main output.

Disables the ALC leveling circuits.
Relative power level is controlled
by means of the level DAC and
attenuator. Power is not sensed at
any point, and absolute power level is
uncalibrated.

Sets the synthesizer to continuous

leveling at the specified leveling point.

The synthesizer activates power search
leveling mode. Similar to ALCoff
mode, but first automatically searches
for the correct modulator setting
so that the desired power level is
produced.

Sets the synthesizer to level power
externally. A negative detector output
must be connected to the EXT ALC

input.

Sets the synthesizer to level power

internally.

Sets the synthesizer to level power
at the output of a millimeter-wave
module. Either an HP

or

series millimeter-wave source

module must be connected to the

SOURCE MODULE INTERFACE.

Sets the synthesizer to level power at
an external power meter. A power
meter’s recorder output must be
connected to the EXT ALC input.

HP 8360

User’s Handbook

Operating and Programming Reference