Operating basics
Mod On/Off
Modulation can be turned on and off by pressing the
Mod
button on the front
panel. When the modulation is off, the
Mod
LED button on the front panel is
extinguished and the
MODON
text on the display is grey. When modulation is
on, the
Mod
LED button on the front panel is lit and
MODON
on the display
is yellow.
Noise (AWGN)
The Noise setting is accessed through the main menu:
AWGN/IMP
>
Noise
. This
setting allows you to degrade a vector modulation waveform with additive white
Gaussian noise (AWGN). You can select Add, Only, and Off in the Noise menu.
Power (AWGN)
The Power setting is accessed through the main menu:
AWGN/IMP
>
Power
.
This setting allows you to adjust the noise power for a vector modulation
waveform with additive white Gaussian noise (AWGN). Use the general knob to
adjust the power value in the Settings area of the display.
NOTE.
More settings are available than are described in this manual.
Presets
Presets allow you to load precon
fi
gured setups. The following presets types are
available:
Preset button (factory defaults preset) (See page 28.)
Modulation presets (See page 28.)
User presets (See page 30.)
Arbitrary waveform user presets (See page 30.)
Preset button (factory
default preset)
To set the instrument to the factory default settings without affecting saved
presets, press and hold the
Preset
button on the front panel for three seconds.
Default settings will be loaded. (See Table 4 on page 24.)
Modulation presets
The modulation presets shown in the following image and described in the
following table are available.
The presets con
fi
gure the instrument to perform the selected modulation, but the
modulation is turned off. To turn on the modulation, press the
Mod
button until
the LED is lit and
MODON
shows in the Status area of the display.
NOTE.
Some presets may require speci
fi
c options and may not be available on
all instrument models.
28
TSG4100A Series RF Signal Generators User Manual
