IvIode
I 6960 A
Section 1
current to volues
selected
by
0 front ponel
control.
Accidental damaging of
expensive components
by
excessive current
can
thus
be
reduced
to a minimum,
if the
CURRENT
LIMIT
control
is
set to a
value
just above
the
normal operating
current
of
the external
circuit.
Another important appl ication
of
the Model 6960A
Power Supply
is
in
electronic
test systems where various fixed voltages have to
be
produced
sequentially
with a high
degree
of
reproducabil
ity.
This
can be
achieved
because the output
voltage
of
th
is
supply
may
be
programmed
by
an
externally
connected
fixed resistor or a series
of
same.
The
output
voltage
will then
be
pro-
portional to
the
value
of
this resistor; changing the resistor
in
predetermined
steps will have corresponding effects on the output
voltoge.
Both
output terminals of the power supply are insulated
from
chassis ground. Either
terminal
may
be grounded as high as 400 V
from
ground.
It
is
therefore possible
to
connect
a number
of
supplies in series to obtain higher voltages than 36
V.
If
more current than 600
mA
is
needed,
there
is
the possibi Iity
of
operating several
power suppl ies in
parallel.
Remote sensing
can
be used for minimizing the
effect
of
supply lead resistiance
and thus providing an
exactly
regulated
voltage
at
the
supplied
circuit
regardless
of
lead
length.
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