This circuit uses components of the time. We found it in a 1968 US documentation. The delay is 100 ns and the input impedance is 1 k.
July 2017 - Mouser Electronics announced the availability of its new ISO771x digital isolators...
This circuit was found in an ancient American documentation. The components of the time are not...
This automotive circuit was obtained from an 80's schematic from the integrated circuit factory...