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Last Updated on: Friday, November 17, 2017 06:32 AM

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More  Audio Amplifiers   Active Filters: Low Pass
Freespace communications

AUDIO AMP + 3KHz FILTER


This circuit is the audio Amp section for a complete optical transmitter.   The circuit Amplifies and filters the voice audio signals from an electret microphone.  The circuit is described in more detail in the receiver section of Dave Johnson's Handbook of Optical Through the Air Communications.

 

Click on Drawing Below to view PDF version of Schematic

Circuit Optical through the Air Transmitter designed by Dave Johnson, P.E. (June 4, 2000)

More  Audio Amplifiers   Active Filters: Low Pass  
Freespace communications

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