This circuit uses an unusual PLL, the 4046 CMOS. We found it in the October 1994 issue of Electronics Now. The circuit also uses a 4093 gate as a trigger.
This crowbar protection circuit for non-regulators blows the fuse when the load voltage exceeds a...
We found this simple alarm circuit in a 1981 documentation. As we can see, it is a car alarm...
This voltage inverter circuit was found in a Mullard transistor manual from 1960. Information on...