National Instruments SC-2040 - Manual (Page 31)

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
V
in
CH+
CH-
A
100 k
Ω
A B C
Figure 3-5. Ground-Referenced AC-Coupled Signal Connection
IN-
IN+
SC-2040
GND
Analog
V
in
CH+
CH-
A
100 k Ω
A B C
A
Figure 3-6. Ground-Offset AC-Coupled Signal Connection