This medium wave receiver was featured in the November 1999 issue of Electronics Now magazine. It is powered by just two small batteries.
The purpose of this circuit is to power a small fluorescent lamp from from a 12 V battery. The circuit...
This circuit was found in a 1968’s publication and uses germanium transistors. Equivalents can be...
This circuit generates the busy tone of ordinary telephones. The transistors can be the BC548 and...