DC
V
oltage
Source
Section
The
voltage
source
generates
a
dc
voltage
ranging
from
0
V
to
1,000
V
.
The
voltage
setting
resolution
is
0.1
V
when
the
output
is
less
than
and
equal
to
200
V
,
and
1
V
when
the
output
is
greater
than
200
V
.
The
current
limit
function
controls
the
source
output
voltage
so
that
the
current
owing
through
the
DUT
is
within
the
user
specied
range
.
Figure
4-4
shows
the
DC
V
oltage
Source
Section
block
diagram.
Figure
4-4.
DC
V
oltage
Source
Section
Block
Diagram
The
Main
Amplier
amplies
the
reference
voltage
generated
by
D
A
C
1
so
that
the
output
voltage
is
between
0
V
and
1,000
V.
The
Pre-regulator
supplies
a
voltage
to
the
Main
Amplier
.
The
Pre-regulator
voltage
varies
according
to
the
output
voltage
in
order
to
minimize
energy
consumption
of
the
Main
Amplier
.
The
Current
Detector
detects
the
over
current
to
reduce
the
output
voltage
so
that
the
current
is
within
the
specied
range
.
4-6
T
roubleshooting
