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National Instruments
NI 9235, NI 9236
Figure 5. Input Circuitry for One Channel of the NI 9235
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11
38
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National Instruments Corp.
11
NI 9235/9236
Figure 5.
Input Circuitry for One
Channel of the NI 9235
EXC
AI
RC
+
–
Bridge
Completion
Re
s
i
s
tor
Filtered
Differenti
a
l
Amplifier
2.0 V
Bridge
Excit
a
tion
120
Ω
50 k
Ω
Sh
u
nt
Re
s
i
s
tor
+
–
ADC
NI 9235
Contents
Main
Page
Safety Guidelines
Safety Guidelines for Hazardous Locations
Special Conditions for Hazardous Locations Use in Europe
Special Conditions for Marine Applications
NI 9235/9236 6ni.com
Connecting the NI 9235/9236
Figure 1. NI 9235/9236 Terminal Assignments
Page
Connecting Wires to the NI 9235/9236 Connector
Page
NI 9235/9236 Circuitry
Figure 5. Input Circuitry for One Channel of the NI 9235
Figure 6. Input Circuitry for One Channel of the NI 9236
Shunt Calibration
Excitation Voltage
Understanding NI 9235/9236 Filtering
Passband
Figure 7. Typical Passband Response for the NI 9235/9236
Stopband
Alias-Free Bandwidth
Understanding NI 9235/9236 Data Rates
Page
Sleep Mode
Specifications
Input Characteristics
Page
Accuracy, NI 9235
Accuracy, NI 9236
Page
Page
Page
Shunt Calibration Characteristics
Excitation Characteristics
Power Requirements
Physical Characteristics
Safety
Safety Voltages
Page
Safety Standards
Hazardous Locations
Environmental
Shock and Vibration
Electromagnetic Compatibility
CE Compliance
Environmental Management
Waste Electrical and Electronic Equipment (WEEE)
RoHS
Calibration
Where to Go for Support
Page
374645A-01 Jun08
