Choose the correct answer to the two points 2-The ac emitter resistance of an emitter follower a-Equal the dc emitter resistance . b-Is larger than the load resistance . c-Is β times smaller than the load resistance. d-Is usually less than the load resistance. 3-A common-base amplifier can be used when a-Matching low to high impedance. b-A voltage gain without a current gain is required. c-A high- frequency amplifier is needed. d-All of the above.
Choose the correct answer to the two points 2-The ac emitter resistance of an emitter follower a-Equal the dc emitter resistance . b-Is larger than the load resistance . c-Is β times smaller than the load resistance. d-Is usually less than the load resistance. 3-A common-base amplifier can be used when a-Matching low to high impedance. b-A voltage gain without a current gain is required. c-A high- frequency amplifier is needed. d-All of the above.
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Choose the correct answer to the two points
2-The ac emitter resistance of an emitter follower
a-Equal the dc emitter resistance .
b-Is larger than the load resistance .
c-Is β times smaller than the load resistance.
d-Is usually less than the load resistance.
3-A common-base amplifier can be used when
a-Matching low to high impedance.
b-A voltage gain without a current gain is required.
c-A high- frequency amplifier is needed.
d-All of the above.
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