Infrared Wireless Voice Communication - Personal.Psu.Edu

illnurturedtownvilleMobile - Wireless

Nov 21, 2013 (3 years and 27 days ago)

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EET 210

Mark F. Hiltabidel

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.

Component List




TL082


Wide bandwidth Dual JFET Input




Operational Amplifier.



LM386



Low voltage Audio Power Amplifier



MPS2222A
-

General Purpose NPN Transistor



Standard



The circuit will be designed using basic operational
amplifiers.



The gain for the amplifiers will be controlled by
utilizing negative feedback

TL082


Op Amp

LM386


Op Amp