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.
Found in a 90s American documentation, this circuit uses an integrated from the time that is...
This circuit controls the brightness of incandescent lamps up to 400 W for the TIC226 series...
This decorative object was found in a Signetics documentation from the 60s. The circuit uses neon...