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UNI-T UTG962E - Page 16

UNI-T UTG962E
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LINI-T,.
®
Set
Modulation
Wave
Frequency
Set
the
modulation
wave
frequency
in
range
of
2mHz-200kHz
(default
to
100Hz).
After
enabling
AM
function,
the
default
modulation
wave
frequency
can
be
modified
by
multifunctional
knob
or
press
ModFreg,
enter
the
number
by
numeric
|keypad
|and
select
unit.
®
Set
Modulation
Depth
Modulation
depth
indicates
the
extent
of
amplitude
variation
which
is
expressed
as
percentage.
The
range
of
AM
modulation
depth
is
0%-120%
(default
to
100%)
®
When
modulation
depth
is
0%,
constant
amplitude
is
output
(half
of
the
set
carrier
amplitude).
©
When
modulation
depth
is
100%,
the
output
amplitude
varies
with
the
modulation
waveform.
@
When
modulation
depth
is
greater
than
100%,
the
output
amplitude
of
the
instrument
will
not
exceed
10Vpp
(500
load).
After
enabling
AM
function,
the
modulation
depth
can
be
modified
by
multi-functional
knob
or
press
|
Depth,
enter
the
number
by
numeric
keypad
and
select
unit.
©
Comprehensive
Example
First
run
the
instrument
in
amplitude
modulation
(AM)
mode,
then
set
an
internal
sine
wave
of
200Hz
as
the
modulation
signal
and
a
pulse
wave
with
frequency
of
10kHz,
amplitude
of
200mVpp
and
duty
ratio
of
45%
as
the
carrier
wave
signal.
Finally
set
modulation
depth
to
be
80%.
The
specific
steps
are
as
follows:
1)
Enable
Amplitude
Modulation
(AM)
Function
Press
[Mode
|
—
[AM
|to
enable
[AM
function.
2)
Set
Modulation
Signal
Parameters
After
step
1),
press
|ModFreq/,
enter
200,
and
select
the
parameter
unit
|
Hz
|.
Bo0.000
H
Depth
100.00
16

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