This circuit is suitable for use in radio receivers to improve the quality of weak signal stations. The circuit was suggested by the May 1994 issue of Electronics Now magazine.
Originally this circuit excites an incandescent lamp, but it also serves for LEDs, if they use a...
Found in National Semiconductor documentation from the 1990s, this circuit corrects the curvature of...
In fact, the 556 consists of a double 555, which can be replaced by these integrated ones. The...