This old circuit is suitable for signaling applications. The lamp must be incandescent, and the triac must be mounted on a heat sink. The frequency is adjusted in the 1 M trimpot.
) Found in a 90s Linear Technology documentation, this circuit is a fading of video signals and...
This is an RF amplification step for small signals using the common base configuration. The...
In the figure we have the way to use a 4017 as a sequencer controlled by a microcontroller. With...