This Power supply sources from 500 to 1,000 mA according the transformar and was found in a publication of the year 1958. The diodes can be now the 1N4004 and the transistor should be mounted on a heatsink.
This circuit uses damped oscillations to test an inductor. It can also be used to find the...
This filter rejects the hum of 60 Hz from power grid, being placed between the signal source and...
This small automotive NiCad battery charger uses only passive components and has the number of...