This circuit was proposed by a 1965 Electronic Design. Its purpose is to widen the line transients to make them easier to see on common oscilloscopes.
The circuit presented is based on a mechanical tuning fork. The circuit is suggested by National...
When the input of this circuit goes to high level, the LEDs start to flash alternately. The...
Found in a 90s 303 Circuits, this circuit has an output power of 100 mW. L1 consists of 890 turns...