This 2.5 A power supply was found in a 90's QST magazine. The power transistor must be mounted on a heatsink.
This circuit generates high voltage for the firing of a xenon lamp. We found this configuration in a 1994...
The circuit shown is from Motorola's 1990 Linear Databook. Shaded components are optional. The...
This amplifier circuit with a low power MOSFET was found in Popular Electronics from the 90s. The...