We found this receiver on a single chip in the 1976 Siemens integrated circuits manual. The circuit is of the super heterodyne type using ceramic filter in the IF.
This switching regulator circuit with less than 100 mV ripple was found in a 1980s documentation. The...
The UM3562 integrated circuit is a dedicated circuit found in many toys because it generates three types...
The circuit has the traditional configuration that can be found elsewhere on this site. This is...