This circuit was found in a 90s Signetics documentation. The circuit is switched based on components of the time.
This xenon flasher version for the power grid is from an 80's EDN. The circuit uses a folder and a...
Found in Linear Technology documentation, this circuit drains only 70 uA of the monitored circuit....
The 7401 is a different member of the TTL family, as it consists of four NAND ports, but with the...