This circuit was found in a 1968 EEE. The circuit makes use of logic gates of the time and can be tested with equivalents from modern families.
Found in a Maxim documentation from the 90s, this circuit produces a voltage of 5 V from an input...
Unlike the previous one, this circuit is intended for the reception of frequency modulated signals...
This circuit was obtained from Popular Electronics from March 1967. The transistor used is from...