This circuit was found in the December 1992 issue of Radio Electronics magazine. The current is a few mA and the maximum input voltage is around 12 V.
Found in an EDN from the 90s, this regulator makes use of the integrated circuit of the time. The...
This linear circuit was found in a 1965 Electronic Design. The transistors are from that time....
This circuit generates 500 Hz rectangular signals. The circuit is from old American documentation. Neon...