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.
Found in Motorola documentation from the 90s, this circuit makes use of a triac from that time. The...
This transistorized signal injector was one of the first that we found using the well-known...
This 200-mW amplifier uses one of the first commercial power transistors. The circuit is from a...