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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 ON]OFF]lJO
Analyzer: NONE
See Also
(ALC],
AM !3nlOff
)
m
“Optimizing Synthesizer Performance” in Chapter 1.
Delay Menu
Function Group
(MOD)
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
Pelay
Normal
Delays the output pulse from the
PULSE SYNC OUT signal.
Pulse
Delay Trig’d
Delays the output pulse from the
PULSE input.
D-2
Operating and Programming Reference
HP 8360
User’s Handbook