This 8-bit converter was found in an American 1980s documentation. Motorola components are uncommon today. The circuit serves as a reference.
The transistors of this old circuit from the 60s can be the BC548, in a current version. The...
This filter, found in an old manual, has characteristics of reduced overvoltage given by the graph...
The selected circuit is from the Texas Instruments optoelectronics manual. With it you can receive...