National Instruments SCXI-1000 - Page 45

Chapter 4 Theory of Operation
SCXI-1120/D User Manual 4-6 www.natinst.com
Analog Input Channels
Figure 4-4 shows the analog input block diagram.
Figure 4-4.
Analog Input Block Diagram
+
+
+
+
+
+
+
+
+
+
I
LPF
+
I
LPF
+
I
LPF
+
I
LPF
+
I
LPF
+
I
LPF
+
I
LPF
+
I
LPF
LPF
LPF
LPF
LPF
LPF
LPF
LPF
LPF
-
-
-
-
-
-
-
-
-
Input Channel 0
Input Channel 1
Input Channel 2
Input Channel 3
Input Channel 4
Input Channel 5
Input Channel 6
Input Channel 7
To Output
Stage
To Output
Stage
To Output
Stage
To Output
Stage
To Output
Stage
To Output
Stage
To Output
Stage
To Output
Stage
Front Connector
MTEMP
DTEMP
SCXI-1120D Only
511 kΩ
511 kΩ
SCXI-1120D Only
511 kΩ
511 kΩ
SCXI-1120D Only
511 kΩ
511 kΩ
SCXI-1120D Only
511 kΩ
511 kΩ
SCXI-1120D Only
511 kΩ
511 kΩ
SCXI-1120D Only
511 kΩ
511 kΩ
SCXI-1120D Only
511 kΩ
511 kΩ
SCXI-1120D Only
511 kΩ
511 kΩ