Chapter 4 theory of operation, Functional overview, Figure 4-1. bnc-2140 block diagram – National Instruments BNC -2140 User Manual
Page 18: Functional overview -1, Figure 4-1, Bnc-2140 block diagram -1, Theory of operation
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4-1
4
Theory of Operation
This chapter contains a functional overview of the BNC-2140.
Functional Overview
Figure 4-1 is a block diagram of the BNC-2140.
Figure 4-1. BNC-2140 Block Diagram
0
+5 V
+30 V
ICP CH0
Isolated Power Supply
ICP Current
Source 0
ICP
On/Off
AICH0 BNC
Connector
DIFF/SE
50
Ω
AICH0+
AICH0–
AIGND
3
+5 V
+30 V
ICP CH3
Isolated Power Supply
ICP Current
Source 3
ICP
On/Off
AICH3 BNC
Connector
DIFF/SE
50
Ω
AICH3+
AICH3–
AIGND
DAC0OUT BNC
Connector
DIFF/SE
50
Ω
DAC0OUT+
DAC0OUT–
AOGND
DAC1OUT BNC
Connector
DIFF/SE
50
Ω
DAC1OUT+
DAC1OUT–
AOGND
68-Pin
Connector
+5 V
DGND
+5 V
ICP Power
On/Off
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