Electronic Circuits and electronic circuits, electronic schematics plus an extensive resource for hobbyists, inventors and engineers

DiscoverCircuits.com, has 45,000+ electronic circuits, cross-referenced
into 500+ categories.    We have searched the web to help you find quick design ideas.
We make every effort to link to original material posted by the designer. 
Please let us if you would like us to link to or post your design.

HOME Schematics Index Hobby Corner Dave's Circuits Electronic Resources Contact Info
Imagineering Ezine    Discover Solar Energy Dave Johnson & Associates Faraday Touch Switches


Hobby Circuits designed by Dave Johnson

Last Updated on: Saturday, December 30, 2017 05:02 AM


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

 
Charge Pump Circuits
Circuits Designed by David Johnson, P.E. :

CMOS Inverters Form 125Khz Oscillator

Digital noise generator

Exciter Circuit-12v Touch Switch

FETs & Logic Devices Divides Supply Voltage on Charge Pump Efficiently 

Flexible Outputs from Square Wave Driver

Fluorescent Lamp Night Light Needs Only 1 Watt

Fully Isolated 50/60hz Sync Generator

Gated 125Khz Oscillator

Gated Crystal Oscillator with Very Low Power

LC Oscillator Medium Power 125Khz

Over-Temperature Micro-Power Alarm

Peak to Peak 300v Signal Generator

Touch Switch Exciter

125KHZ Medium Power Oscillator

125khz Oscillator with Medium Power

125Khz Ultra Pure Sine Wave Signal Source

24v NiMH Battery Charger using a 12v Solar Panel 

Astable Multivibrator with Very Low Power

Charge Pump Battery Charger-+5 Volts

CMOS Inverter forms a Resonant LD Oscillator 


 

Hobby Circuits by Category

Dave's Circuits

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

 



HOME Schematics Index Hobby Corner Dave's Circuits Electronic Resources Contact Info
Imagineering Ezine    Discover Solar Energy Dave Johnson & Associates Faraday Touch Switches


 About Us   |  Advertise on DiscoverCircuits.com   |   Report Broken Links  |    Link to DiscoverCircuits.com  |    Privacy Policy


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


 Linking is ALLOWED but COPYING any content or graphics to your web site is EXPRESSLY PROHIBITED.