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Technical Interviews: Excel with Ease by Anil Kumar Maini

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Block 1

Amplifiers

  1. When we talk about amplifier configurations built around bipolar transistors, we usually talk about three basic configurations. Can you name these?
  2. Common collector amplifier configuration is known by another popular name. Can you tell what that name is?
  3. What are the main attributes of the emitter follower configuration? I mean where do you think such a configuration can be used?
  4. Let us say we have an emitter follower configuration that has an emitter resistance of 100 ohms. What do you think can possibly be the input impedance of this configuration? I will also tell you that the transistor used in this configuration has a β value of 100. Or do you think this is insufficient data to answer this question?
  5. Does the input impedance ...

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