National Instruments SCXI-1121 Manuel D’Utilisation
Chapter 3
Theory of Operation
© National Instruments Corporation
3-9
Figure 3-5. Analog Input Block Diagram
+
–
+
–
+
–
+
–
Input Channel 1
+
–
+
–
+
–
+
–
Input Channel 2
Input Channel 3
MTEMP
DTEMP
Input Channel 0
LPF
I
+
–
To Output
Stage
LPF
LPF
+
–
To Output
Stage
LPF
+
–
To Output
Stage
LPF
+
–
To Output
Stage
I
EX0
EX1
I
I
EX2
EX3
+
+
LPF
LPF
+
LPF
+