This circuit of an EDN divides the input pulse frequency by even values. The circuit is TTL and can be used as a shield for microcontrollers.
This circuit was found in documentation from the 1980s. The transistor depends on the desired...
We found this circuit in a 1985 technical publication. The circuit uses PUTs to drive lamps....
This type of circuit, found in American documentation from the 1980s, triggers producing output...