Using a 4046 PLL we found this circuit in the December 1989 issue of Radio Electronics magazine. The circuit operates at 220kHz, but this frequency can be changed by changing C3.
This circuit with the DCP010512 was found in the August 1998 issue of Electronics Now. The...
We found this circuit in a 1988 documentation. It is a protective system that automatically shuts...
Activating a relay from pulses (from a monostable, for example) can be useful in many types of...