This latching light alarm was found in the 1995 Encyclopedia of Electronic Circuits Volume 5. The circuit is powered with 12 V to provide a signal to a power stage.
This circuit is from the manual of the integrated circuit used. Similar versions appear on this...
We found this circuit in the 1993 Motorola Linear Interface ICs. The operational is unusual today, but...
We found this circuit in a publication with experiments with operational amplifiers from 1973. The...