This sequential circuit appears in other versions on this site. This is from American documentation from the 1960s. The speed of the effect is set to R1.
With NAB equalization we found this circuit in an English documentation from 1967. The transistors used...
Here we show how two 4017s can be cascaded to count above 10. The circuits are driven by a square...
Using a 741 op-amp this circuit high-pass to 10 kHz was found in the February 1995 issue of...