This frequency divider with SUS was found in General Electric's 1967 documentation. Similar configurations can be found elsewhere in this section and on this website.
This circuit, which can also be adapted to function as a microcontroller shield, is from 2003...
This sensitive circuit was found in an Electronics Hobbyists Handbook from the 1990s. The circuit can...
This circuit can be used with 3 receivers and is intended for low frequencies (medium wave range). We...