The signals from this circuit obtained from the 1965 Radio Shack documentation are picked up from a medium wave receiver. L1 and L2 have 80 to 100 turns of yarn 28 on a ferrite rod.
This dimmer for incandescent lamps was obtained from an American 1990s documentation. The circuit...
This circuit can be used in physics experiments, in ionization and in several other applications. The...
This experimental AM radio circuit was found in a 1979 English magazine. It can be fitted with a...