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Chapter 3 Signal Connections
© National Instruments Corporation 3-9 SC-2040 User Manual
Figures 3-5 through 3-7 illustrate how to connect AC-coupled signals.
IN-
IN+
SC-2040
Vin
CH+
CH-
A
100 kΩ
A B C
Figure 3-5. Ground-Referenced AC-Coupled Signal Connection
IN-
IN+
SC-2040
GND
Analog
Vin
CH+
CH-
A
100 kΩ
A B C
A
Figure 3-6. Ground-Offset AC-Coupled Signal Connection