This circuit generates noise pulses for audio equipment probes. The circuit is from a 90’s 303 Circuits. The operational amplifier is an input FET type.
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...