Small signal operation of a transistor is that in which signal excursions are

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  1. 5% around the Q point values.
  2. 10% around the Q point values.
  3. 1% around the Q point values.
  4. 10 - 20% around the Q point values.

Answer (Detailed Solution Below)

Option 1 : 5% around the Q point values.
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Detailed Solution

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Small signal operation of a transistor means AC input is applied.

Q point :

  • The point at which AC load line and DC load line intersects.
  • During small signal 5% excursion is valid.

 

Hence correct option is "1"

Additional Information Large signal has 20% excursion is valid.

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