Electronics Engineering · Operational Amplifiers
An op-amp uses a differential amplifier at the input stage. If the base currents of the two emitter-coupled transistors of the differential amplifier are 20 μA and 22 μA, what is the input bias current for the op-amp?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12 μA
- 2-21 μA
- 321 μA✓
- 4-2 μA
Correct answer
21 μA
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