We found this circuit in the 1990 Motorola Linear Databook. The circuit must use symmetric source and has 10times the voltage gain.
Found in the 1969 neon lamp documentation, using neon lamps this circuit provides 18 V regulated...
This circuit was found in a Popular Electronics from the 90s. The circuit uses a general purpose...
This circuit was found in an ancient American documentation. The transformer is the type used in...