Physics · Electronics

A BJT is configured as a common-base (CB) amplifier. Which of the following statements is INCORRECT?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1It works as an off switch if both junctions are reverse biased.
2The CB configuration operates as an amplifier when the transistor is in the saturation region.✓
3The voltage gain in a CB configuration can be high.
4It is suitable for high-frequency applications.

Correct answer

The CB configuration operates as an amplifier when the transistor is in the saturation region.

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