The operational 714 (not the 741) is an old Raytheon type that is no longer common today. The circuit can be implemented with modern operational. The power supply must be symmetrical.
In the proposed circuit, each pulse of light or infrared radiation that hits the photodiode...
This circuit with the CK722 has a small range. We found it in Radio Electronics magazine from...
We found this circuit in a 1972 publication. The circuit is indicated for the application of TTL...