This 1.2 to 32 V x 3 A regulator was found in an 80's EDN. The power components must be equipped with good heat sinks.
This circuit was obtained in a 1982 English magazine. This circuit can be used both as a simple...
This sensor triggers an oscillator emitting sound when a magnet is approached by a reed switch....
Suggested by Burr Brown in 1969 documentation, this circuit makes use of an integrated component...