This circuit was found in an article in Radio Electronics magazine. The issue is from July 1992 and the circuit uses components that are common today.
Settings like this can be found in this section and on this website, but from different sources of...
This circuit allows the use of two triggers (inverters or NAND gates connected in this way) to...
This circuit is from a 1972 Motorola publication. Some of the used transistors can still be found,...