This 1.5 A circuit has the output voltages adjusted by a selector switch. We found it in a Popular Electronics from the 90s. The integrated circuit must have a heat sink.
This high voltage gas laser source was found in an American publication from the 1990s. The...
Based on the BA1404 integrated circuit, this circuit was found in the July 1992 issue of Radio...
This circuit was obtained in a 1979 publication, but it can be assembled with the BD135 instead of the...