This constant current charger from 1997 Linear Technology Applications uses common components at the time. The transformer is the critical component, being designed according to the load voltage.
The purpose of this circuit is to detect the movement of a person by the changes in light that...
With this 1986 circuit, as incandescent lamps are no longer used, it is possible to replace the...
This is the application note circuit of the integrated circuit used with the LASER diode. The...