22
Figure 5-11: The DC Setting Interface
To
Generate
the
Modulated
Waveform
(Only
for
the
model
with
"F")
Press
the
Mod
button
to
generate
modulated
waveform.
The
waveform
generator
can
modulate
waveform
using
AM,
FM,
PM,
and
FSK.
To
turn
off
the
modulation,
press
the
Mod
button.
AM
(Amplitude
Modulation)
The
modulated
waveform
consists
of
two
parts:
the
Carrier
Waveform
and
the
Modulating
Waveform.
The
Carrier
Waveform
can
only
be
Sine.
In
AM,
the
amplitude
of
the
Carrier
Waveform
varies
with
the
instantaneous
voltage
of
the
modulating
waveform.
The
user
interface
of
the
AM
is
shown
as
below.
Current Parameter
Carrier
Frequency
Carrier
Amplitude
Carrier Waveform
Modulating Waveform
Load
Mod Depth
AM Frequency
Mod Type
Mod Shape
Source
Figure 5-12: The User Interface of AM
How
to
set
the
parameters
of
AM
Содержание GV-2005
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