This circuit was suggested by National Semiconductor and is present elsewhere on this site. The LM2575 is not very common today and should be mounted on a heatsink.
To protect your home, vehicles or even objects, what we present is a sensitive alarm circuit that...
With this circuit, found in an English publication in 1983, it is possible to control an...
The FET admits equivalents like the BF245 in this circuit that we find in a documentation from the...