This logic gate that increases the duration of input pulses was found in a NASA documentation from 1966. Transistors can be replaced with current types.
This configuration was found in a 1976 documentation. Note the use of pin 4 input for reset. The...
This circuit, found in documentation from the 1990s, uses a common 7-segment LED display. The...
This circuit is suggested by National Semiconductor in its Linear Applications Handbook. It makes...