The circuit shown is from Motorola's 1990 Linear Databook. Shaded components are optional. The characteristics of the coils are given next to the diagram.
This sensitive sound or noise activated key can be used in an alarm system. The circuit is from an...
This experimental flip-flip changes its state by the command of two push-buttons. The state is...
The transformer in this power supply can have a secondary winding from 1 to 15 A of current....