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


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

12v Touch Switch Exciter Circuit

200Mhz-400Mhz Voltage Controlled Oscillator (VCO)

300v Peak to Peak Signal Generator

Audio Frequency Digital Noise Generator

Charge Pump Efficiently Divides Supply Voltage 

CMOS Inverter 125khz LC Oscillator

CMOS Nand Gate Forms Gated 125Khz Oscillator

High Power Touch Switch Exciter Circuit

Medium Power 125khz Oscillator

Medium Power 125khz Oscillator #2

Micro Power Over-Temperature Alarm

Square Wave Driver Has Flexible Outputs

Ultra Pure 125kHz Sine Wave Signal Source

Very Low Power Astable Multivibrator

Very Low Power Gated Crystal Oscillator

+5v Powered Charge Pump Battery Charger        C/charge.htm

1 Watt Fluorescent Lamp Night Light

125Khz LC Oscillator

125Khz Oscillator from CMOS Inverters


 

Dave's Circuits

Hobby 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.