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Set the Amplitude
Click or tap the
Amplitude input field to set the amplitude with the pop-up numeric
keypad. You can also use the corresponding multipurpose knob to set the value. Its
range is from 2 mV to 10 V.
Set the Offset
Click or tap the
Offset input field to set the offset with the pop-up numeric keypad.
You can also use the corresponding multipurpose knob to set the value. The offset
range is related to the amplitude value.
14.1.5 To Output DC
In the AFG setting menu as shown in
Figure 14.1
, click or tap the Function drop-
down button to select "DC". At this time, you can set the offset for DC.
Click or tap the
Offset input field to set the offset with the pop-up numeric keypad.
You can also use the corresponding multipurpose knob to set the value. Its range is
from -5 V to 5 V.
14.1.6 To Output the Arbitrary Waveform
In the AFG setting menu as shown in
Figure 14.1
, click or tap the Function drop-
down button to select "Arb". At this time, you can load the arbitrary waveform and
set the parameters. For how to set the frequency, phase, amplitude, and offset, refer
to descriptions in
To Output Sine
. This section only illustrates how to load the
arbitrary waveform.
Click or tap the input field of
Arb Path, and then the disk management interface is
displayed. In the disk management interface, select the waveform from the internal
memory or the external memory. The waveform file is suffixed with "*.arb". Then click
or tap
OK to load the selected waveform. For details, refer to
Store and Load
.
14.2 Modulation
The built-in Function/Arbitrary Waveform Generator of DHO914S and DHO924S
supports amplitude modulation (AM), frequency modulation (FM), and phase
modulation (PM). A modulated waveform consists of a carrier waveform and a
modulating waveform. The carrier waveform is the basic waveform output from the
Function/Arbitrary Waveform Generator, and the modulating waveform can be the
built-in waveform.
In the AFG setting menu, click or tap the
Modulation tab to enter the Modulation
setting menu, as shown in the figure below. In this menu, you can select the
modulation type, set the modulating waveform parameters, and enable/disable the
modulation function. To set the carrier waveform (basic waveform), refer to
To Output
Basic Waveforms
. This section only illustrates the modulation setting.
Function/Arbitrary Waveform Generator (for
DHO914S and DHO924S only)
Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide
173
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