DiscoverCircuits.com has links to 45,000+ electronic circuits, cross-referenced
into 500+ categories. We have searched the web to help you find quick design ideas.
See Media Kit for
Attention Designers: Please alert us by eMail if we have linked to sites
where your original material has been copied without your permission.
We will change to the LINK to your site. Thank you.
Theremin for Tube Enthusiasts, page 6
Discovercircuits.com endeavors to credit original designers. Please alert us by eMail so we can
delete links to material that have been copied without your permission. Thank you.