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Analog Electronics

Analog Electronics
Which process is used for adding impurity into a pure semiconductor material ?

None of these
 Insulating
 Doping
 Conducting

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Analog Electronics
The transition capacitance of a reverse biased pn junction having uniform doping on both sides, varies with junction voltage ( VB ) as

  VB.
  ( VB )- 1 / 2.
  1 / VB.
  ( VB )2.

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Analog Electronics
With both bases grounded, the only offset that produces an error is the

  β.
  input offset current.
  input bias current.
  input offset voltage.

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Analog Electronics
The fact that there are many free electrons in a transistor emitter region means the emitter is

 undoped.
  heavily doped.
None of these
 lightly doped.

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Analog Electronics
How will electrons flow through a p-channel JFET?

  From drain to gate.
  From source to gate.
  From drain to source.
  From source to drain.

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Analog Electronics
The Barkhausen criterion for an oscillator

 Loop gain should be less than unity
 The phase of a feedback signal with respect to input should be 0° or 360°
 Loop gain should be unity
 Both A and C

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