This flip-flop circuit with general purpose transistors was found in American documentation from the 1980s. The maximum operating speed depends on the transistors. Diodes are commonly used.
Found in a 1980 documentation, this circuit drives a transducer (X1) when the car battery has its...
This simple oscillator with just one transistor has a frequency determined by the characteristics of the...
This circuit was found in Motorola documentation from the 1980s. PUTs are not common components...