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

DiscoverCircuits.com, has 40,000+ 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: Thursday, November 23, 2017 05:23 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!


Driver Circuits



 
Circuits Designed by David Johnson, P.E. :
Flexible Outputs from Square Wave Driver

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

Medium Power 40Khz Ultrasound Transducer Driver

On/Off Latch Circuit with 2 Second Delay

Peak to Peak 300v Signal Generator

Press & Hold Latching Circuit

Really Loud Output Beeper Circuit

Remote Relay Driver

Solid State Relay Requires Only 50ua Drive Current

Square Wave Driver Has Flexible Outputs

SSR Requires Ultra Low Control Current
300v Peak to Peak Signal Generator

40Khz Ultrasound Transducer Driver uses Medium Power

50ua Current Drives Solid State Relay Requires Only

 

Hobby Circuits by Category

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 - November, 2017     David A. Johnson & Associates.  All Rights reserved. 
 Linking is ALLOWED but COPYING any content or graphics to your web site is EXPRESSLY PROHIBITED.