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SECTION I
GENERAL INFORMATION
ESCRIPTION
:ode1 6515A (Figure 1-1) i s a n a l l semicon-
ligh voltage supply suitable for either
r relay rack operation.
It i s a compact,
gulated Constant Voltage
/
Current Limited
:hat will furnish 1600V a t 5mA or can be
j
throughout the output voltage range.
nis supply
is
series regulated and utilizes
ned output piggyback technique; four
:onnected low voltage supplies a r e con-
~ i a the VOLTAGE RANGE switch t o the
(+)
erminal. A fifth supply i s connected via
e s regulator t o the (-) output terminal.
VERLOAD PROTECTION
l e VOLTAGE RANGE switch and VERNIER
s e l e c t the constant voltage level. An in-
otentiometer s e l e c t s the current limit level.
ply will automatically crossover from con-
)Itage t o current limit operation and v i c e
the output current or voltage exceeds these
evels.
Detailed characteristics of the out-
ent limiting are given in paragraph 3-7.
he power supply i s protected from reverse
(positive voltage applied to negative ter-
)y an internal protection diode that shunts
a c r o s s the output terminals when this con-
x i s t s , clamping the reverse voltage. Pro-
from reverse current (current forced into the
upply in t h e direction opposite to the output
must be provided
by
preloading the power
(Paragraph 3-1 8). The power supply cannot
:everse current without damage.
OOLING
onvection cooling i s used.
No fan i s re-
The power supply h a s no moving parts (ex-
. meter movement).
lUTPUT TERMINALS
lutput
power
i s
available
via
two
UG-931/U
:ors
a t
the
rear
of
the
power
supply.
Mating
:ors
(UG-932/U)
are
supplied
with
the
unit.
The output terminals a r e isolated from the c h a s s i s
and either the positive or the negative terminal may
be connected to the c h a s s i s by shorting the center
pin and c a s e of the applicable U G - 9 3 1 / ~ connector,
or by grounding a wire from the connector to the
c h a s s i s .
The power supply i s insulated to permit
operation up t o 1,000 vdc off ground,
i.
e. the max-
imum potential between either output terminal and
ground shall not exceed 2 . 6
KV
DC.
1-1 1 SPECIFICATIONS
1-12 Detailed specifications for the power supply
are given in Table 1-1.
1-1 3, OPTIONS
1-14 Options a r e factory modifications of a
standard instrument that a r e requested by the
customer. The following options are available for
the instrument covered by this manual. Where
necessary, detailed option information i s included
throughout the manual.
Option No.
Description
Three
Digit
Graduated
Decadial
Voltage
Control: Includes
a
cali-
brated 10-turn
control
replacing the
10-turn
vernier
to
provide
resettabil-
ity
within
0.
1%.
1-1 5 ACCESSORIES
1-16 The accessories listed in the following chart
may be ordered with the power supply or separately
from your local Hewlett-Packard s a l e s office.
(Refer t o l i s t a t rear of manual for addresses.)
Part No.
Description
8" Black Handle that can be at-
tached t o s i d e of supply.
1451 3 A
Rack Kit for mounting one
3 l/2"
-
high supply.
(Refer to
Section I1 for details. )
Rack Kit for mounting two
3 1/2"
-
high supplies.
(Refer to
Section I1 for details.
)
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