Found in American documentation from the 90s, this circuit uses TTL technology and is therefore compatible with microcontroller drives. The circuit must be powered by a 5V power source.
This circuit was found in a 1967 General Electric documentation. The circuit generates signals...
Sine signals are converted into square signals by this simple circuit. The maximum frequency is...
We found this touch control on a Popular Electronics from 1970. The circuit makes use of an...