This timer for long time intervals is from the 1990 Motorola Linear Databook. The setting applies to other operational ones and component values are given below the diagram.
As in the previous circuit (CB4052E), the relationship of values between the feedback and input...
The idea of this simple circuit is to use a tape recorder to key a transmitter in code emission....
In the figure we have the way to make the three-phase control of a motor using opto-diacs. The circuit is...