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Last Updated on: Tuesday, June 01, 2021 03:06 PM

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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 Circuit Below to view PDF of Schematic

AUDIO AMP + 3KHz FILTER

More  Audio Amplifiers  
Active Filters: Low Pass  
Freespace communications

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