The circuit presented is from 1994 and can be developed with more modern operators. We found the configuration in the National Semiconductor Linear Applications Handbook.
In the figure we show how to use a 555 to control an SCR or another type of thyristor. Resistors R1, R2...
This circuit activates one of the selected circuits with a touch of a switch, keeping it...
This powerful FM transmitter was found in 1992 documentation. The circuit requires a 12 V source...