Chapter 3
Signal Conditioning
3-16
ni.com
Figure 3-15.
Bias Return Resistor for DC-Coupled Floating Source on Channel 1 in
DIFF Mode
Figure 3-16 shows both the schematic and the component placement for an
optional user-installed bias resistor, R35, between AI SENSE and AI GND.
Figure 3-16.
User-Installed Bias Resistor between AI SENSE and AI GND
R29(C)
R28(A)
C9(E)
To DAQ
Device
R26(D)
J10
AI GND
R27(B) = 100 k
Ω
+
–
AI 1
2
AI SENSE
R35
AI GND
1
User-Installed
Bias Resistor