We found this circuit in an Electronic Engineering of the 90s. The circuit can be implemented with any logic and next to the diagram the truth table for the indications is given.
This circuit for light modulated in frequency (FM) operating at 50 kHz was found in a 90’s...
This RF wattmeter was found in an American 1980s documentation. The components are common and the...
Found in an 80's documentation this circuit uses an integrated from the uncommon era today. Other...