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Live DIY: Audio Amplifier Using LA4440

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Learn how to design an audio amplifier

Key Takeaways

  • What is bridge rectifier (BR1), 7812 voltage regulator and how to use it
  • How voltage regulator generates 12V
  • How-to step-down transform used in this circuit and what is its purpose
  • What is LA4440?
  • How LA4440 used and how it works
  • How audio amplifier functions.

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