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© National Instruments
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2-7
Figure 2-4 shows the PXIe-4481 analog input circuitry block diagram. Depending on the
connector type, connect the signals as described in the
Figure 2-4.
PXIe-4481 Analog Input Block Diagram
AI<0-5>+
AI<0-5>–
1.62 M
Ω
ADC
1.62 M
Ω
50
Ω
+
–
AC/DC
Co
u
pling
AC/DC
Co
u
pling
Progr
a
mm
ab
le
Differenti
a
l
Amplifier
Lowp
ass
Filter
P
s
e
u
dodifferenti
a
l
En
ab
le
+
–
INPUT