9.70 The instrumentation amplifier in Figure 9.26 has the same circuit parameters and input voltages

9.70 The instrumentation amplifier in Figure 9.26 has the same circuit parameters and input voltages as given in Problem 9.67, except that R1 is replaced by a fixed resistance R1f in series with a potentiometer, as shown in Figure 9.28. Determine the values of R1f and the potentiometer resistance if the magnitude of the output has a minimum value of |vO| = 0.5 V and a maximum value of |vO| = 8 V.

 

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