Remember that, an instrumentation amplifier, amplifies the difference between two input voltage levels V+ and V-by a gain (Av) set by a single resistor RG. i. Referring to table 3, Calculate the output voltage for all the combinations using the formula VOUT = (V+ - V-) * Av. Use measured V+, V- and calculated Av. ii. How it is compared to measured VOUT?

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1
Measured
V+
V-
(at pin 3) (at pin 2)
15ΚΩ
10ΚΩ
4.29
6 V
6 V
10ΚΩ 5.6ΚΩ
5.94
4.31 V
6 V
2.2ΚΩ
9.5ΚΩ
5.85 V
6 V
23.45
Table 3: Calculated and measured values
RG
R4
Calculated
Gain Av
VOUT
(at pin 6)
447 μV
-10.1 V
-3.61 V
3. Remember that, an instrumentation amplifier, amplifies the difference between two input
voltage levels V+ and V- by a gain (Av) set by a single resistor RG.
i. Referring to table 3, Calculate the output voltage for all the combinations using the
formula VOUT = (V+ - V-) * Av. Use measured V+, V- and calculated Av.
ii. How it is compared to measured VOUT?
Transcribed Image Text:1 Measured V+ V- (at pin 3) (at pin 2) 15ΚΩ 10ΚΩ 4.29 6 V 6 V 10ΚΩ 5.6ΚΩ 5.94 4.31 V 6 V 2.2ΚΩ 9.5ΚΩ 5.85 V 6 V 23.45 Table 3: Calculated and measured values RG R4 Calculated Gain Av VOUT (at pin 6) 447 μV -10.1 V -3.61 V 3. Remember that, an instrumentation amplifier, amplifies the difference between two input voltage levels V+ and V- by a gain (Av) set by a single resistor RG. i. Referring to table 3, Calculate the output voltage for all the combinations using the formula VOUT = (V+ - V-) * Av. Use measured V+, V- and calculated Av. ii. How it is compared to measured VOUT?
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Type of amplifier= Instrument amplifier

Measured values of output voltage VOUT are given

 

We have to calculate

i) Based on formula, VOUT

ii) Comparison of measured value of VOUT with calculated one

 

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