Found in 1967 documentation, this circuit makes use of period transistors and drives a common light bulb. Nothing against it being adapted to use LED.
Found in a 1966’s General Electric documentation, this circuit uses a triple diode from the time....
We found this circuit in the Linear Technology Applications of 1997. The circuit uses components of the...
This circuit was found in an old Hewlett Packard publication. Its purpose is to activate neon...