National Instruments BNC-2090A User Manual page 38

Chapter 3 Signal Conditioning
BNC-2090A User Manual
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To DAQ
C9(E)
Device
–
Figure 3-15. Bias Return Resistor for DC-Coupled Floating Source on Channel 1 in
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)
R27(B) = 100 kΩ
R26(D)
DIFF Mode
2
User-Installed
R35
Bias Resistor
1
AI GND
3-16
R28(A)
AI 1
J10
AI GND
AI SENSE
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