National Instruments SCXI-1121 - Manual (Page 71)

Chapter 3 Theory of Operation
© National Instruments Corporation 3-9 SCXI-1121 User Manual
Figure 3-5. Analog Input Block Diagram
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–
+
–
+
–
+
–
Input Channel 1
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–
+
–
+
–
+
–
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
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