R1 RE Voltage (V) 10 GND Vin 5 R2 Vin w Time 0. -5 /1 1.5 (ms) R3 -10- GND + w
The operational amplifier (op-amp) in Figure 1 is an ideal op-amp with maximum output voltage, vO(max) is +12 V and the minimum output voltage, vO(min) is -12 V. A sine wave with ±5V peak-to-peak voltage is applied as the input, vin as shown.
For each of the following conditions, derive or explain the relationship between output voltage, vo and input voltage, vin, and then draw the input and output voltage waveforms on same graph. Label the x-axis, y-axis, peak voltages and units.
1.R1 = R2 = R3 = 10 kΩ and RF = 3R1.
2.R2 = R3 = 10 kΩ, RF = 3R2 and R1 is broken (open circuit).
3.R1 = R2 = R3 = 10 kΩ and RF is broken (open circuit).
4.R1 = R2 = 10 kΩ, RF = 3R1, R3 is broken (open circuit) and the op-amp’sinverting and non-inverting terminals are accidently interchanged where node ‘x’ is connected to the non-inverting input while node ‘y’ is connected to the inverting input of the op-amp.
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