This circuit is one of many that can be found in this section using the 555. This circuit was found in old American documentation being applied to cars that use contact breaker.
This circuit is from a 1967 RCA documentation. Components can be replaced with modern equivalents. The...
This circuit was obtained in a 1974 Motorola timers publication. Transistors allow equivalents, the 2N2646...
We found this good power amplifier with the LM12 integrated circuit in the March 1989 issue of...