MEE 460 GCU Wheatstone Bridge with Voltage Followers and Differential Amplifier Questions
Description
I have to design a wheatstone bridge that has voltage
followers and a differential amplifier that has an adjustable output range of
-10 to 10 volts. I have the variable resistors R1 and R4 adjustable to
represent a 350 ohm strain gauge.
Without the voltage followers, I can get from zero to ten volts. When I connect voltage follower 1 and 2 the
circuit stops working. Here is the
circuit I am trying to get working. What
can I do to get it to work? The op amps are 741.

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