This triac synchronized circuit was found in the July 1995 issue of Electronics Now magazine. The triac must be equipped with a heat sink depending on its power rating.
The instrument of this field strength meter, from a 1970s publication, can be a 200 uA...
We found this circuit in the ON Semiconductor Thyristor Manual although similar configuration can be found...
A very interesting integrated circuit for step-down converter designs (voltage reducers) with an...