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Fet Amplifiers Solved Examination 2024/2025 $15.99   Add to cart
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  5. Basic FET Amplifier

Exam (elaborations)

Fet Amplifiers Solved Examination 2024/2025
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A common-gate amplifier is similar in configuration to which BJT amplifier? A.common-emitter B.common-collector C.common-base D.emitter-follower Answer: C The theoretical efficiency of a class D amplifier is A.75%. B.85%. C.90%. D.100%. Answer: D A common-source amplif...

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  • August 28, 2024
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  • 2024/2025
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Fet Amplifiers Solved Examination
2024/2025

A common-gate amplifier is similar in configuration to which BJT amplifier?

A.common-emitter

B.common-collector

C.common-base

D.emitter-follower Answer: C



The theoretical efficiency of a class D amplifier is

A.75%.

B.85%.

C.90%.

D.100%. Answer: D



A common-source amplifier is similar in configuration to which BJT amplifier?

A.common-base

B.common-collector

C.common-emitter

D.emitter-follower Answer: C



A BJT is a ________-controlled device.

A.current

B.voltage Answer: A

, A common-drain amplifier is similar in configuration to which BJT amplifier?

A.common-emitter

B.common-collector

C.common-base

D.common-gate Answer: B



For what value of ID is gm equal to 0.5 gm0?

A.0 mA

B.0.25 IDSS

C.0.5 IDSS

D.IDSS Answer: B



Where do you get the level of gm and rd for an FET transistor?

A.from the dc biasing arrangement

B.from the specification sheet

C.from the characteristics

D.All of the above Answer: D



The class D amplifier uses what type of transistors?

A.JFETs

B.BJTs

C.MOSFETs

D.any of the above Answer: C

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