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 is the basic configuration of many LM339 manuals, as a comparator with hysteresis. The font...
We found this circuit in a Popular Electronics of the 80's. The circuit can be used to drive...
This simple power supply for transistors was found in documentation from the 1940s. The...