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WARNING
High voltage
may be present
between
the
PREAMP
OUT and COM terminals
depend-
ing on the input signal
(see Table 2-6).
CAUTION
Connecting
PREAMP
OUT, COM, or 2V ANALOG
OUTPUT
to
earth
while
floatina
inout
mav
Note
that
the output resistance
is 10oR. The output resistance
appears
between Input Low and Analog Output
Low to keep
the resistor
out of the loop when
using external
feedback
elements.
To keep loading errors under 0.1%. the device con-
netted
to the PREAMP
OUT should have a minimum
input
impedance
of 1OOkQ.
-
'
damage
the instrument.
0
0
00
Jf------
MODEL 1683 TEST LEAD KIT
MEASURING
DEVICE
MODEL 617
lOoR
77
GND
S
VOLTS
Rt
1000
t
1
>r--
a
6
COULOMBS
EWIVALENT
CIRCUITS
figure
2-16.
Typical
Preamp
Out
Connections
2-21
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