We found this circuit in the August 1994 issue of Electronics Now magazine. The circuit is based on the now uncommon CMOS 4046. The frequency range is given by C1.
This railroad model circuit was found in a 1960 Sylvania transistor manual. The components are from that...
This circuit samples the current in a load and in case of excessive value it activates a...
We found this circuit in a 2004 documentation. The circuit consists of a standard lamp for testing...