Q4) A Wheatstone bridge strain gage, shown in figure 1, with a gage factor (F) of two is used to monitor axial strain in an old train rail. The maximum axial strain is expected to be 200 x 10-5. The output voltage of the bridge is connected to an instrumentation amplifier before interfacing it with 12 V analog to digital converter. Design a suitable instrumentation amplifier circuit which allows utilization of the full span of the ADC. V supply 5V ΙΚΩ www 1 ΚΩ Gage 350 Ω you 350 £2 Vo V₂ + Instrum op Amp Figure 1 40₁ Vout ADC -Dout

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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Q4) A Wheatstone bridge strain gage, shown in figure 1, with a gage factor (F) of two
is used to monitor axial strain in an old train rail. The maximum axial strain is expected
to be 200 x 10-5. The output voltage of the bridge is connected to an instrumentation
amplifier before interfacing it with 12 V analog to digital converter. Design a suitable
instrumentation amplifier circuit which allows utilization of the full span of the ADC.
V supply
5V
1 ΚΩ
www
B
www
1 Kn
Gage
350 Ω
www
350 Ω
Vo
VB
+
Instrum
op Amp
Figure 1
HI
Vout
ADC
Dout
Transcribed Image Text:Q4) A Wheatstone bridge strain gage, shown in figure 1, with a gage factor (F) of two is used to monitor axial strain in an old train rail. The maximum axial strain is expected to be 200 x 10-5. The output voltage of the bridge is connected to an instrumentation amplifier before interfacing it with 12 V analog to digital converter. Design a suitable instrumentation amplifier circuit which allows utilization of the full span of the ADC. V supply 5V 1 ΚΩ www B www 1 Kn Gage 350 Ω www 350 Ω Vo VB + Instrum op Amp Figure 1 HI Vout ADC Dout
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