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Efficient Power Amplifiers and Output Stages in Class B Signal Processing

Learn about the characteristics of NPN BJT in output stages and power amplifiers, efficient power delivery, and classification methods such as Class A, AB, and B. Understand signal waveforms, power-conversion efficiency, and crossover distortion.

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Efficient Power Amplifiers and Output Stages in Class B Signal Processing

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  1. Output stages and power amplifiers • Low output resistance • Efficient power delivery Characteristics of npn BJT

  2. Classification of Output Stages Class B sinusoidal input signal Class A Class AB

  3. Class A Output Stage emitter follower

  4. Class A Output Stage transfer characteristic

  5. Signal Waveforms

  6. Power-Conversion Efficiency

  7. Class B Output Stage

  8. Class B Output Stage transfer characteristic

  9. Power-Conversion Efficiency

  10. Power Dissipation

  11. Crossover Distortion

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