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The Cascode amplifier consists of

This question was previously asked in
BSPHCL JE Electrical 2019 Official Paper: Batch 2 (Held on 30 Jan 2019)
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  1. a common emitter amplifier stage in series with a common base amplifier stage (CE-CB)
  2. a common emitter amplifier stage in series with a common collector amplifier stage (CE-CC)
  3. a common collector amplifier stage in series with a common base amplifier stage (CC-CB)
  4. a common base amplifier stage in series with a common collector amplifier stage (CB-CC)

Answer (Detailed Solution Below)

Option 1 : a common emitter amplifier stage in series with a common base amplifier stage (CE-CB)
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Detailed Solution

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Concept:

SSC JE EE basic electronics 2 D14

Hence Cascode is CE - CB Configuration

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More BJT As a Amplifier Questions

Q1.To amplify voltage, current and power signals using BJT amplifiers, which of the following configurations are used?
Q2.The value of hie in ohms for a BJT with IC = 3 mA, VT = 25 mV and hfe = 150 is: 
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