We found this circuit in an EDN from the 90s. The circuit is a voltage quadruplicator using operating equipment of the time. The output current is low.
We found this circuit in a Popular Electronics of the 90s. The circuit still uses light bulbs, but...
This circuit is from Linear Technology 2005 documentation. The circuit is based on company...
The integrated circuit used in this power supply is no longer very common in power supplies today....