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ANALOG ELECTRONICS

Analog Electronics
The emitter of the transistor is generally doped the heaviest because it

  is the first region of transistor.
  has to supply the charge carriers.
  must possess low resistance.
  has to dissipate maximum power.

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Analog Electronics
In a properly biased NPN transistor most of the electrons from the emitter

  are stopped by the junction barrier.
  recombine with holes in the base .
  recombine in the emitter its self.
  pass through the base to the collector.

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Analog Electronics
The following relationship between α and β are correct except

  α = β / (1 - β).
  1 - α = 1 / (1 + β).
  α = β / (1 + β).
  β = α / (1 - α).

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Analog Electronics
Which of the following transistor configuration circuit is much less temperature dependent ?

None of these
  Common emitter.
  Common base.
  Common collector.

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Analog Electronics
The universal bias stabilization circuit is the most popular because

  its β sensitivity is low .
  voltage divider is heavily loaded by transistor base .
  IC equals to IE.
  IC does not depend on transistor characteristic.

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