We found this circuit in the May 1989 Radio Electronics magazine. The circuit can have its values changed to operate at other frequencies and the power supply must be symmetrical.
This simple low power stage with output transformer was found in an American documentation. The transistor...
July 13, 2015 - Mouser Electronics, Inc. today announced that it has signed a global distribution...
This touch switch appears elsewhere on this site from various documentation. This is from an 80's...