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Circuits designed by David Johnson, P.E.
Last Updated on: Friday, December 29, 2017 02:53 AM


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FreeSpace (Light Beam) Communication Circuits
Circuits Designed by Dave Johnson, P.E. :

40Khz Light Detector with High Ambient Light Immunity

5w Fluorescent Lamp Intensity Modulator

AIR Transparency Monitor, Xenon Flash Receiver

AIR Transparency Monitor, Xenon Flash Transmitter

AIR Transparency Monitor-Pg2

FET Input High Speed Light Detector

Five-Watt Fluorescent Lamp Intensity Modulator

Light Detector with High Ambient Light Immunity

Light Detectors with Ambient Light Compensation

Line-Powered Xenon Flash Transmitter

Low Power 100khz Light Receiver

Low Power 40KHz Light Detector

Pulsed LED Test Circuit

Simple Circuit Nitrogen Spark Generator

Voltage to Frequency Converter + 1us LED Pulse Driver

10mhz to 20mhz Laser Light Detector 

10Mhz to 20Mhz Light Receiver

30Khz Light Receiver Amp


 

Dave's Circuits

Hobby Circuits

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Copyright  January, 1998 - December, 2017     David A. Johnson & Associates.  All Rights reserved. 


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