Physics · Op-Amp Circuits
A basic inverting integrator using an operational amplifier (OP-AMP) is unstable at low frequencies. What modification is commonly made to stabilise it?
- 1Add a resistor in parallel with the capacitor in the feedback path✓
- 2Increase the op-amp gain
- 3Use a low-power op-amp
- 4Add a resistor in series with the capacitor in the feedback path
Correct answer
Add a resistor in parallel with the capacitor in the feedback path
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