This circuit appeared in the May 1983 issue of Radio Electronics magazine. It is based on the dedicated integrated circuit CEM3340. The circuit provides signals with various waveforms.
This circuit is from Radio Electronics from March 1977. The integrated circuit is from that time...
This 1.2 to 32 V x 3 A regulator was found in an 80's EDN. The power components must be equipped...
This power control from Motorola's 1971 SCR Power Control Fudamentals can control full wave loads...