Op amp practice problems
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Read the op-amp class notes.
For the circuit shown,
- R1 = 3.3 kΩ
- R2 = 3.3 kΩ
- R3 = 5.6 kΩ
- R4 = 10 kΩ
- R5 = 68 kΩ
- R6 = 12 kΩ
- vx = -60 mV
- vy = 100 mV
- vz = 100 mV

What is the output voltage vo?