This 13 A V power supply with 2 A uses a transformer with 12 V of secondary and 2 A of current. The diodes can be 1N5404 or equivalent for 2 A or more.
This circuit is from an English magazine of 1974, but can still be assembled with the replacement of...
This circuit, using a unijunction transistor (UJT), converts a voltage applied to the input in a...
This circuit was found in documentation from the 80s. The circuit did not include resistors from...