Circuits designed by David Johnson, P.E.
Last Updated on: Saturday, December 30, 2017 08:09 AM

List of Dave's Circuit Designs

Text & Graphics Copyright © David A. Johnson, PE  --  ALL Rights Reserved.
LINKING to Dave's circuits is permitted but DO NOT COPY CONTENT to your WEB SITE server!

AIR Transparency Monitor, Xenon Flash Receiver

AIR Transparency Monitor, Xenon Flash Transmitter

AIR Transparency Monitor-Pg2

Broad Band 2Mhz Optical Fiber Receiver

Cascode Light Receiver Circuit

FET Input High Speed Light Detector

High-speed 75MHz light receiver

Laser/LED Light Output Intensity Meter

Light Pulse Receiver + Post Amp

Light Receiver Works from 1Khz to Over 70Mhz

Low Power Amp Monitors Light

Optical RFID Test Circuit

Photo Transistor interface Circuit

Precision Ultra Lower Power Oscillator

Single IC forms Sensitive Modulated Light Receiver

Ten-Second Ultra Lower Power Oscillator

Ultra Lower Power Oscillator

Xenon Lamp Flash Detector Amplifier

10mhz to 20mhz Laser Light Detector

10Mhz to 20Mhz Light Receiver

12kv Power Supply

1uS Light Pulse Receiver + Post Amp

40Khz Laser Burst Detector

40KHz Light Receiver Front-End Circuit

40KHz Modulated Light Detector

50Mhz Broad Band Optical Fiber Receiver Version A

5Mhz Broad Band  Optical Fiber Receiver