Deep
AM
Function Group
MODULATION
Menu Map
4
Description
This softkey activates distortion reduction mode for deep AM
operation. Deep AM automatically switches to the ALC off leveling
mode when the modulation level drives the “detector-logger” (part
of the RF components, see Figure A-l) below its detection range.
The modulated waveform is DC coupled and ALC leveled above
-13
dBm.
Below -13
dBm
the waveform is DC controllable but not
ALC leveled, and is subject to drift of typically
4~0.25
dB/s.
This
value is reduced by a factor of 10 if the low ALC bandwidth feature
is selected. An asterisk next to the key label indicates that this
feature is active.
Programming Codes
SCPI:
AM:MODE DEEP
AM:STATe
ONlOFFlllO
Analyzer: NONE
See Also
(ALC,
AM On/Off ,
LMOD)
“Optimizing Swept Signal Generator Performance” in Chapter 1
Delay
Menu
Function Group
IruloD]
Menu Map
4
Description
This softkey (Option 002 only) accesses the pulse delay softkeys.
These softkeys let you delay the internally generated pulsed output
from either the PULSE SYNC OUT signal or from the external pulse
signal at the PULSE input.
Pulse Delay Normal
Delays the output pulse from the
PULSE SYNC OUT signal.
Pulse
Delay
Trig’&
Delays the output pulse from the
PULSE input.
D-2 Operating and Programming Reference
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