This high quality circuit with complementary symmetry was found in an Electronics World of 1966. It can be made with modern transistors like the BD or TIP series.
This circuit fires a flash lamp via an external command. The pulse transformer must have a 1:10...
Found in American documentation from the 90s, this CMOS circuit detects the source of a signal and can...
This 10 A solid state relay was found in a 1980s documentation. It can work as a shield and...