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Hobby Circuits designed by Dave Johnson

Last Updated on: Friday, December 29, 2017 04:29 PM

List of Hobby 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!




AC/DC relay from Charge Coupled MOSFET

Astable Multivibrator with Very Low Power

Bi-Directional Charge Coupled Powers MOSFET Relay

Characteristics of CMOS Logic Inverter Amplifiers

FETs & Logic Devices Divides Supply Voltage on Charge Pump Efficiently 

Form Push-Pull Driver using N-Ch & P-Ch Transistors 

High Impedance JFET Buffers

High Speed Light Detector from FET Input

Improve Response Time of a Photo Transistor Circuit

MOSFET_Temperature_Sensor

NPN/PNP Transistor Tester

Peak to Peak 300v Signal Generator

Protects from Battery Polarity Reversal

Solid State Touch Activated Switch

Universal DC Sink to Source Converter

Transistor Circuits


 

Circuits Designed by David Johnson, P.E. :

FETs & Logic Devices Divides Supply Voltage on Charge Pump Efficiently 

Form Push-Pull Driver using N-Ch & P-Ch Transistors 

High Impedance JFET Buffers

High Speed Light Detector from FET Input

Improve Response Time of a Photo Transistor Circuit

MOSFET_Temperature_Sensor

NPN/PNP Transistor Tester

Peak to Peak 300v Signal Generator

Protects from Battery Polarity Reversal

Solid State Touch Activated Switch

Universal DC Sink to Source Converter

AC/DC relay from Charge Coupled MOSFET

Astable Multivibrator with Very Low Power

Bi-Directional Charge Coupled Powers MOSFET Relay

Characteristics of CMOS Logic Inverter Amplifiers


 

Hobby Circuits by Category

Dave's Circuits

eMail:  David A. Johnson, P.E. about these circuits

 


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


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