Hughes suggests this circuit in a 1968 documentation. The circuit uses old transistors that can be replaced with equivalents. MOSFET is the critical component of the circuit.
Available at Mouser Electronics this component of Diodes Incorporated consists of a voltage...
This circuit can be used in a digital measuring or shield interface. The circuit is from old...
Here we show how two 4017s can be cascaded to count above 10. The circuits are driven by a square...