Alc Bandwidth Selection - Agilent Technologies E8241A User Manual

Optimizing Performance

ALC Bandwidth Selection

ALC Bandwidth Selection
For internal leveling, the signal generator uses automatic leveling control (ALC) circuitry
prior to the RF output. ALC bandwidth has five selections: automatic, 100 Hz, 1 kHz, 10 kHz,
and 100 kHz.
At signal generator preset, the ALC bandwidth selection is set to Auto. In this configuration,
the signal generator automatically adjusts the ALC bandwidth between three of the four
possible settings, depending on which functions are currently active.
signal generator's automatic ALC bandwidth selection decision tree.
Figure 3-6
No
RF OUTPUT
< 2 MHz
Yes
ALC BW
100 Hz
To select an ALC bandwidth, press
This overrides the automatic ALC bandwidth selection with your specific selection.
74
Decision Tree for Automatic ALC Bandwidth Selection
No
AM OFF
PULSE OFF
PULSE ON
Yes
ALC BW
1 kHz
Amplitude
No
AM OFF
AM ON
PULSE ON
Yes
ALC BW
10 kHz
> >
ALC BW 100 Hz
Figure 3-6 shows the
No
AM ON
PULSE OFF
Yes
ALC BW
100 kHz
, , , or
1 kHz 10 kHz 100 kHz
Yes
.
Chapter 3