Physics · Semiconductor Electronics
Which one of the following statements is NOT correct regarding a common-base (CB) amplifier?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Impedance matching is required when cascading due to a large difference between its low input impedance and high output impedance.
- 2The current gain is less than unity.
- 3It cannot operate at higher frequencies compared to a common-emitter (CE) amplifier.✓
- 4The output alternating signal is in the same phase as the input signal.
Correct answer
It cannot operate at higher frequencies compared to a common-emitter (CE) amplifier.
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