This circuit was found in the April 1978 Radio Electronics magazine. The power supply must be symmetrical, and the maximum operating frequency is around 100MHz.
We found this circuit in an application note from Linear Technology of the 90s. The circuit uses...
An interesting solution that can be provided in some cases is the one shown in the figure in which...
This timer up to 2 hours was found in a documentation of the year 2000. It uses only bipolar...