The figure shows how to implement a filter against interference caused by the switching of a triac. The circuit is from a Radio Electronics from April 1987.
This circuit for receivers was found in an American documentation from the 90's. The circuit...
This circuit found in an American documentation from 1964, alters the duration of a pulse and can...
In the figure we have the way of obtaining 220 V from two equal 110 V transformers or 230 V from...