This circuit generates 500 Hz rectangular signals. The circuit is from old American documentation. Neon lamps are of common types.
This circuit was obtained in an Electronque Loisirs magazine from France, in a July 1991 edition. It...
From the time when photographs developed on paper could be enlarged, this circuit was found in a...
This circuit with a 4046 PLL was found in the December 1989 issue of Radio Electronics magazine. The...