This circuit uses BCD switches to program the frequency to be divided. The circuit is from a Radio Electronics magazine from February 1989.
Found in a 90s Maxim's documentation, this circuit employs three company components and is...
We give in the figure a different application of 4013, which can also be used as monostable. In common...
Found in a Popular Electronics from the 90's, this circuit converts a 40 V symmetrical source to a 5...