The figure shows how to generate a sinusoidal signal using 4 flip-flops. The circuit is from a Radio Electronics magazine from November 1976. The clock frequency is divided by 8.
This filter, from an audio publication from 1977, passes the frequency range corresponding to the...
In the figure we have three voltage doubler configurations that can be used in high and low...
This circuit was found in Motorola documentation from 1966. The lamps are according to power and...