Infrared Wireless Voice Communication

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Infrared Wireless Voice Communication

• EET 210
• Mark F. Hiltabidel

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Objectives

• To successfully design and construct a audio
  amplifier circuit, utilizing wireless infrared
  communications.
• Analyze voice quality produced by the infrared
  LED and Phototransistor link.
• Design and complete construction on power
  amplifier for speaker.

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Component List

• TL082 Wide bandwidth Dual JFET Input
  Operational Amplifier.
• LM386 Low voltage Audio Power Amplifier
• MPS2222A - General Purpose NPN Transistor

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Standard

• The circuit will be designed using basic
  operational amplifiers.
• The gain for the amplifiers will be controlled by
  utilizing negative feedback

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TL082 Op Amp
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LM386 Op Amp
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